PART 1
The figure shows a claw hammer as it pulls a
nail out of a horizontal board. If a force of magnitude 124 N is exerted
horizontally as shown, find the force exerted
by the hammer claws on the nail. (Assume
that the force the hammer exerts on the nail
is parallel to the nail).
Answer in units of N.


PART 2
Find the force exerted by the surface on the
point of contact with the hammer head. Assume that the force the hammer exerts on the
nail is parallel to the nail.
Answer in units of N.

Answer: Some elements like potassium, uranium, and thorium are naturally radioactive and give off gamma rays as they decay, but all elements can be excited by collisions with cosmic rays to produce gamma rays. The HEND and Neutron Spectrometers on GRS directly detect scattered neutrons, and the Gamma Sensor detects the gamma rays.

Explanation: searching

Speed is a measure of how far an object travels in a given amount of time. In this example, the speed is 60 miles per hour.

Speed is the rate at which an object moves in a given amount of time. It is an important measure of the rate of motion, and can be expressed in many different units including meters per second, miles per hour, kilometers per hour, and more. Speed is the magnitude component of velocity, which is the vector quantity that describes both the speed and direction of an object. Speed is a scalar quantity, meaning that it has magnitude or size but no direction associated with it. In physics, speed is typically measured with the use of a speedometer or other instrument to detect the rate at which an object is moving.

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Answer:  Man will stay in air in 0.83 sec.

What is speed ?

--Speed is defined as.

--The rate of change of position of an object in any direction.

--Speed is measured as the ratio of distance to the time in which the distance was covered.

--A body that moves with constant acceleration means that it moves in "a uniformly --accelerated movement", which means that if the velocity is plotted with respect to time we will find a line and its slope will be the value of the acceleration, it determines how much it changes the speed with respect to time.

When performing a mathematical demonstration, it is found that the equations that define this movement are as follows.

Vf=Vo+a.t                                     (1)

{Vf^{2}-Vo^2}/{2.a} =X                (2)

X=Xo+ VoT+0.5at^{2}                   (3)

X=(Vf+Vo)T/2                                 (4)

Where

Vf = final speed

Vo = Initial speed

T = time

A = acceleration

X = displacement

In conclusion to solve any problem related to a body that moves with constant acceleration we use the 3 above equations and use algebra to solve

To solve this problem we must divide it in tow parts, the first is when the springbok accelerates upwards with 35m / S ^ 2, the objective of the first part is to find the final speed using equation number 2

Part 1

Vo=0

a= 35 m/s2

x=0.7m

{Vf^{2}-Vo^2}/{2.a} =X  

solving for Vf

, the final velocity of part 1 is the initial velocity of movement 2, and the acceleration  is the gravity = -9.81m / s ^ 2.

we use the ecuation number tow(2)

Vo=7m/s

a=g=-9.81m/S^2

Vf=0m/s

{Vf^{2}-Vo^2}/{2.a} =X  

{0^{2}-(7)^2}/{2.(-9.81)} =X  

X=2.5m

finally the distance traveled is the sum of the distances of part 1 and 2

object in air 0.83 sec.

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physical science worksheet conservation of energy based on this formula. ME=GPE + KE.

What is meant by energy ?

1m/sr = GPE = 85

            KE= 7J

            ME=155

10m/sr  GPE = 15J

            KE= 05J

            ME=155

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The moment of inertia of the pendulum about the pivot point is [tex]0.385 kg*m^2[/tex]

A physical pendulum in the form of a planar object moves in simple harmonic motion when it oscillates about a pivot point, and the frequency of oscillation is determined by the moment of inertia of the pendulum about the pivot point.

The frequency of oscillation of the pendulum is given as 0.450 Hz. The moment of inertia of the pendulum I can be calculated using the equation:

[tex]I = m * L^2[/tex]

where m is the mass of the pendulum and L is the distance from the pivot point to the center of mass.

In this case, the mass of the pendulum is 2.20 kg and the distance from the pivot point to the center of mass is 0.350 m, so the moment of inertia is:

[tex]I = 2.20 kg * (0.350 m)^2 = 0.385 kg*m^2[/tex]

So, the moment of inertia of the pendulum about the pivot point is [tex]0.385 kg*m^2[/tex]

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The force felt by the larger test charge would be twice as large as the force felt by the original test charge.

This is because the force felt by a test charge in an electric field is directly proportional to the magnitude of the test charge. The electric field is a vector field and the force experienced by a test charge is given by the product of the charge of the test particle and the electric field at that point.

So, when the magnitude of the test charge is doubled, the force experienced is also doubled. Therefore, if a test charge of magnitude twice as large as the original test charge were placed at point a, it would feel twice the force that the original test charge felt when it was placed at that same point.

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According to Newton's third law of motion, the ball imparts an equal and opposite force on the bat. i.e 290 N

Given that,

The mass of the ball = .145 kg

initial velocity of 35 m/s

collision lasts 0.005 seconds

final velocity of the ball is 25 m/s

We have momentum = mass x velocity.

a) Initial momentum = 0.145*35 = 5.075 kg-m/s

b) Final momentum = 0.145*25 = 3.625 kg-m/s

c) Change in momentum = 5.075 - 3.625 = 1.45 kg-m/s

Impulse = Force x time = change in momentum

F = change in momentum/time = 1.45/0.005 = 290 N

d) By Newton's third law of motion, the ball imparts an

     equal and opposite force on the bat.

    therefore, Force = 290 N.

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the Magnitude of the electric field at the center of the square has four-point charges lying on the vertices of a square with side length. two adjacent vertices have charge while the other two have charge will be q1/([tex]\sqrt{2\\}[/tex]Πε[[tex]x^{2}[/tex]+[tex]1^{2}[/tex][tex]]^{3/2}[/tex].

Lets all the 4 charges have the charge of q1 (two with the same charge and the other two with another charge) so E1 (Electric field) will be

E1 =2Ecosθ = 2kq/[[tex]x^{2}+1^{2}[/tex]]^3/2 along AC; E2 = 2Ecosθ = 2kq/[[tex]x^{2}+1^{2}[/tex]]^3/2  along DB

so E1⊥E2. The net field will be adding both the electric field

E0 = [tex]\sqrt{E1^{2} +E2^{2} }[/tex] = 2[tex]\sqrt{2}[/tex]kql/[[tex]x^{2}+1^{2}[/tex]]^3/2

=>  q1/([tex]\sqrt{2\\}[/tex]Πε[[tex]x^{2}+1^{2}[/tex]]^3/2

Which is the resultant of the electric field of all four charges on the vertexes of the square.

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A free expansion, in which the gas expands suddenly into a vacuum, is the type of expansion in which the gas performs the least work. So correct option is A).

An ideal gas is a theoretical gas that is considered to have several idealized characteristics. These include:

These idealized conditions are used to make predictions about the behavior of real gases in various physical systems, and the concept of an ideal gas is a useful tool for understanding and modeling the behavior of gases.

During a free expansion, no external forces are acting on the gas, and no work is done by or on the gas. This is because work is defined as the transfer of energy from one system to another, and in a free expansion, the gas is isolated from its surroundings, so no energy transfer takes place. In contrast, during a slow, gradual expansion in which heat is added to the gas, or a rapid isothermal compression of the gas followed by a slow expansion in which heat is added, external forces are acting on the gas, and work is done on the gas. In these cases, the gas performs more work because energy is transferred from the surroundings to the gas.

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The sphere has two geometrical symmetries, they are

1. Rotational symmetry

2. Reflection symmetry

Rotational symmetry: An object's ability to maintain the same shape when rotated about its own axis is known as rotational symmetry. When turned 180 degrees or at certain angles, either clockwise or counterclockwise, many geometrical forms appear to be symmetrical. Examples include the square, circle, hexagon, and more.

Reflection symmetry: Symmetry with regard to reflections is known as reflection symmetry. Mirror or line symmetry are other names for reflection symmetry. If a figure is divided into two halves, one of the halves must be the mirror image of the other, according to this rule.

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Geometrical symmetry states that a sphere has reflection symmetry. The orthogonal group O is the name of the symmetry group of the sphere, which includes reflections (3).

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The real world examples of a transverse wave is: Sound waves, Vibrations on guitar strings, Clapping.

A transverse wave is a wave whose oscillations are perpendicular to the wave's advance direction. In contrast, a longitudinal wave moves in the direction of its oscillations. A transverse wave is an example of one. Transverse wave motion occurs when all points on a wave oscillate along paths that are perpendicular to the wave's advance direction. A progressive wave is a transverse wave. A transverse wave's propagation direction is always perpendicular to its vibration direction. A vacuum can only carry a few types of transverse waves. A transverse wave is something like an electromagnetic wave or a light wave.

Here,

Sound waves, vibrations on guitar strings, and clapping are all real-world examples of transverse waves.

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A particle with a small electric charge is moved in an electric field by an external force. When the particle is moved along an electric potential isoline, in what direction, if any, The force exerted by Perpendicular to the direction of the particle's motion.

“Electric Charge is the property of subatomic particles that causes it to experience a force when placed in an electric and magnetic field.”

Electric charges are of two types: Positive and Negative, commonly carried by charge carriers protons and electrons.

Examples of the types of charges are subatomic particles or the particles of matter:

Electric charge is a scalar quantity. Apart from having a magnitude and direction, a quantity to be termed a vector should also obey the laws of vector addition, such as triangle law of vector addition and parallelogram law of vector addition; only then the quantity is said to be a vector quantity. When two currents meet at a junction, in the case of an electric current, the resultant current of these will be an algebraic sum and not the vector sum. Therefore, an electric current is a scalar quantity, although it possesses magnitude and direction.

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The easiest way to extract the electric field from a big sheet of charge is to use a cylindrical gaussian surface. Charges and their arrangements, such as in capacitors and battery cells, produce electric fields.

The easiest way to extract the electric field from a big sheet of charge is to use a cylindrical Gaussian surface. Calculating the flux through the surface is simple since the cylinder-shaped surface encloses the sheet of charge and the electric field lines are parallel to the axis of the cylinder. The symmetry of the cylindrical surface also makes it simple to calculate the electric field. If the cylindrical Gaussian surface is selected to be sufficiently big in comparison to the size of the sheet, the edge effects can be disregarded. Charges and their arrangements, such as in capacitors and battery cells, produce electric fields.

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When each charge experiences electrostatic force of magnitude 82.0 N and the separation between them is 0.270 m. Then q1 is 3.5 x 10^-9 C

and q2 is 6.65 x 10^-9 C.

The electrostatic force between two charges is given by Coulomb's law:

F = k x q1 x q2 / r^2

where F is the electrostatic force, q1 and q2 are the charges, r is the distance between the charges, and k is Coulomb's constant (8.99 x 10^9 N x m^2/C^2).

We know that:

F = k x q1 x q2 / r^2 = 82.0 N

r = 0.270 m

And the total charge of the system is 70.0 μC = 70.0 x 10^-6 C

We can use these equations to find the values of q1 and q2. First, we can use the equation for the electrostatic force to find the product of the two charges:

q1 x q2 = F x r^2 / k = 82.0 x (0.270)^2 / (8.99 x 10^9)

Next, we can use the equation for the total charge to find the sum of the two charges:

q1 + q2 = 70.0 x 10^-6

Now we have two equations and two unknowns. We can use these equations to find q1 and q2.

Solving for q1 and q2, we get:

q1 = 3.5 x 10^-9 C

q2 = 6.65 x 10^-9 C

q1 and q2 are the charges on the point charges.

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Option B, EA is the surface's electric flux. Due to the fact that the electric flux is defined as the electric field times the surface area it traverses.

The electric flux can be calculated as EA because the surface area is known and the electric field strength is constant.

Electric flux is a measurement of the strength of an electric field flowing through a specific surface. It is calculated by dividing the electric field's strength by the surface area through which it passes.

If the surface area is known and the electric field magnitude is constant in this situation, finding the electric flux can be done by simply multiplying these two numbers.

EA is the mathematical abbreviation for this, where A denotes the surface area and E is the electric field.

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The question is -

(A) An electric field of constant magnitude is tangent everywhere to a curved surface of area . What is the electric flux through the curved surface?

a) Zero

b) EA

c) –EA

d) 2EA

e) Not enough information

(a) The shape of the sampling distribution of (pc - pa) is normal ,(b) The mean of the sampling distribution of (pc - pa) is 15% and The standard deviation of the sampling distribution 0.051.

(a) The shape of the sampling distribution of (pc - pa) is normal. This is because the sample proportions of red jelly beans from the Child and Adult mixes are generated from independent random samples of jelly beans, and the Central Limit Theorem states that the sampling distribution of a sample proportion will be approximately normal when the sample size is large.

(b) The mean of the sampling distribution of (pc - pa) is 15%. This is because the expected proportion of red jelly beans in the Child mix is 30%, while the expected proportion of red jelly beans in the Adult mix is 15%. Thus, the difference in the expected proportions is 15%.

(c) The standard deviation of the sampling distribution of (pc - pa) can be calculated as follows:

Standard Deviation = sqrt((pchild*(1-pchild))/nchild + (padult*(1-padult))/nadult)

= sqrt((0.30*(1-0.30))/50 + (0.15*(1-0.15))/100)

= sqrt(0.021 + 0.0045)

= 0.051

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FALSE: An atomic-scale object with a negative charge. It is consisting of three subatomic particles, Neutrons, Protons, and Electrons, and is the smallest particle known is a "incorrect" statement.

Any of the multiple self-contained units like substance or energy that make up the building blocks of all matter are considered subatomic particles, also known as elementary particles.

Thus, an atomic-scale object with a negative charge. It is consisting of three subatomic particles, Neutrons, Protons, and Electrons, and is the smallest particle known is a "incorrect" statement.

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The complete question is-

A subatomic particle that carries a negative charge. It is the smallest particle made up of three subatomic particles, Neutrons, Protons, and Electrons. (TRUE/ FALSE)

The acceleration of the truck when an additional weight of 1500kg is added to an empty truck of mass 2500kg is 0.9375 m/s².

Acceleration is the rate of change of the velocity of an object with respect to the time interval. Acceleration is a vector quantity. The orientation of an object's acceleration is given through the orientation of the net force which is acting up on that object.

Force = Mass × acceleration

Empty truck Mass = 2500 kg

Acceleration = 1.5 m/s²

Force = 2500 × 1.5

Force = 3750 N

Additional load of 1500 kg

Total Mass = (2500 + 1500)kg = 4000 kg

3750 = 4000 × a

a = 3750 /4000

a = 0.9375 m/s²

Acceleration when the truck has an additional load of 1500 kg is 0.9375 m/s².

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The gravitational potential energy that have been gained by the body is 150 J.

Now, we have to look at the fact that the gravitational potential energy of the object would depend on the position of the object that is placed in space. We know that the acceleration due to gravity would depend on the position of the object also in the universe.

Then, we can be able to obtain the gravitational potential energy that has been gained from;

E = mgh

E = energy

m = mass

g = acceleration due to gravity

h = height

Thus we have;

E = 2 * 25 * 3

= 150 J

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The work that is done by the ball is 2.73J.

We have to note that the net force has to do with the force that we can obtain from the Newton's law. We have to note that from the use of the Newton's law that we are going to have that;

F = ma

F = force

m = mass

a = acceleration

Assuming the time to be 1s

a = 12.7 - 0/1

a = 12.7m/s^2

Then the work that is done is obtained by the use of the formula stated above as follows;

F = 0.430kg * 12.7m/s^2

F =  2.73J

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The car would move with a velocity of 3.182 m/s if they applied a net force of 350 Newtons for 10 seconds.

The net force is the total of all the forces operating on an object, according to its definition. Mass can be accelerated by net force. Whether a body is at rest or in motion, another force is at work on it. When a system has a lot of forces acting on it, the phrase "net force" is employed.

The net force, sometimes referred to as the resultant force, is the total force acting concurrently on an item. For instance, a rope being pulled from the right by a force of five newtons and from the left by a force of three newtons will experience a net force of two newtons from the right.

A bunch of individuals are pulling an automobile that weighs 1100 kg and is stuck in traffic. The car would move with a velocity of 3.182 m/s if they applied a net force of 350 Newtons for 10 seconds.

Therefore, the car’s velocity would be 3.182 m/s.

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Susan should expect to save approximately $3,822.5 in energy bills each year by replacing her incandescent bulbs with LED bulbs.

LED bulbs are much more energy-efficient than incandescent bulbs. They use significantly less power and last much longer.

One of the ways to estimate energy savings is to calculate the difference in power consumption between an incandescent bulb and a LED bulb of the same brightness.

For example, if an incandescent bulb uses 60 watts and a LED bulb uses 10 watts to produce the same amount of light, the LED bulb will use 83% less energy than the incandescent bulb.

If we assume that each LED bulb last for an average of 25,000 hours and the incandescent last for an average of 1,200 hours and the cost of electricity is $0.13 per kWh, the savings will be:

(45 bulbs * (60-10)W/1000) * 25000hrs/yr * $0.13/kWh = $3,822.5

So, Susan should expect to save approximately $3,822.5 in energy bills each year by replacing her incandescent bulbs with LED bulbs.

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The ratio of the friction force to the normal force that a body travelling over a dry, uneven surface experiences is known as the kinetic friction coefficient (k).

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The focal length and image height of the concave mirror is 24cm and 4.5cm respectively. So, the correct options are (C) and (E) respectively.

A concave mirror is defined as a reflective surface that is curved inward and away from the light source to reflect light inward at a focal point. Convex mirror is the image formed by a concave mirror shows different types of image depending on the distance between the object and the mirror.

The focal length of the mirror is :

[tex]1/f = 1/d_o + 1/d_i[/tex]

where, [tex]d_o[/tex] and [tex]d_i[/tex] are distances of object and image respectively

For normal mirror[tex]d_o = d_i = 8[/tex]

For concave mirror [tex]d_o = 8; d_i = 12[/tex]

1/f = 1/8 - 1/12 (following sign conventions)

f = 24cm

object height = 3cm

Height of the image is 3*12/8 = 4.5cm

Thus, the focal length and image height of the concave mirror is 24cm and 4.5cm respectively. So, the correct options are (C) and (E) respectively.

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The total mechanical energy of the pendulum can be divided into potential energy and kinetic energy.

At the maximum height, the kinetic energy is 0 and all the energy is potential energy.

Therefore, the maximum height (h) can be calculated using the equation: h = (PE/m) / g = (75/5) / 10 = 1.5 m.

The rate of a pendulum at its maximum height is same to 0. At this factor, all the pendulum's overall mechanical electricity is in the shape of gravitational capacity strength. Because the pendulum swings down, the ability power is converted into kinetic electricity, achieving a maximum price at the lowest of its swing in which its pace is finest. On the most peak, the pendulum has no pace and consequently no kinetic energy, however its ability strength is at its most fee. For this reason, the speed of a pendulum at its most height is inversely proportional to its general mechanical strength.

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The maximum height reached by the pendulum is 15 meters.

Potential energy is a type of energy that an object possesses as a result of its position or configuration in a force field. It is energy stored in an object due to its height above a reference point, its state of compression or tension, or the arrangement of its constituent parts. Potential energy is relative to a reference point and is dependent on the strength of a particular force field. For example, the potential energy of an object on the edge of a cliff is related to the object's height above the ground, and the potential energy of a stretched spring is related to the amount it is stretched or compressed. The potential energy of an object can be converted into other forms of energy, such as kinetic energy, when the object is released or otherwise allowed to move in the force field.

To find the maximum height reached by a pendulum, we need to know the initial potential energy of the system, which is given by the equation:

PE = mgh

where m is the mass of the pendulum (5.0 kg), g is the acceleration due to gravity (10 m/s2), and h is the height.

Since the total mechanical energy of the system is given (75 J), we can set this equal to the initial potential energy:

75 J = 5.0 kg * 10 m/s2 * h

Solving for h, we find:

h = 75 J / (5.0 kg * 10 m/s2) = 15 m

So the maximum height reached by the pendulum is 15 meters.

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The magnitude formula is able to test the stability of the induced current F put on a charge [q 1] as an effect of another charge [q 2: [F = frac(k,q,r)] The Coulomb's ratio (k) or the distance (r) between two are present here.

huge or highly significant: An average man would have given up due of the task's size. earth science The brilliance of a galaxy as seen from Earth is also measured by magnitude.

A quantity's measuring or absolute value is referred to as its magnitude. A positive actual number serves as the symbol for a magnitude. A magnitude can be defined as a quantity's size in simple terms.

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The angle at which ball should be thrown so that runner will catch it just before it hits the ground depends on several factors, such as the distance between the thrower and runner, speed of the runner, speed of the ball, and the height of runner's catch.

To maximize the chances of the runner catching the ball, it should be thrown at an angle that is slightly above horizontal and that allows ball to travel the greatest distance possible while still giving the runner enough time to reach ball's landing point.

To determine the angle at which the ball should be thrown, following information is needed:

Distance between the thrower and the runner, Speed of the runner, Speed of the ball and Height of the runner's catch

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The light collecting area of the 100-m telescope will be 100 times the light collecting area of the 10-meter keck telescope.

Given the diameter of first telescope (d1) = 100m

The diameter of Keck telescope (d2) is = 10m

We know that the light collecting area of a telescope is represented as:

A = πD^2/4 where D is the diameter f telescope.

A1/A2  =  πd1^2/πd2^2

A1/A2 = 100 x 100 / 10 x 10 such that A1/A2 = 100

A1 = 100A2

It represents that the light collecting area of the 100-m telescope will be 100 times the light collecting area of the 10-meter keck telescope.

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a) There are 0.23 seconds in which the ball is in the air.

b) 11.74 meters per second is the ball's initial horizontal speed.

A body's velocity is defined as the rate at which its displacement alters over time. Having both magnitude and direction, velocity is a vector quantity.

A body's velocity is defined as the rate at which its displacement alters over time.

The point is 1.0 meters tall vertically.

The ball rolled across a horizontal distance of 2.7 meters.

(H/2g) is the length of time the ball has been in the air.

= √(1.0/2×9.8)

is 0.23 seconds

b) The ball travels at an initial horizontal velocity of = 2.7 m/0.23 s.

= 11.74 m/s.

a) There are 0.23 seconds in which the ball is in the air.

b) 11.74 meters per second is the ball's initial horizontal speed.

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