Gas particles are farthest apart from eachother.
Solid particles are tightly packed.
Liquid particles are somewhat loose.
Gas particles are rapidly moving and are farthest apart.
:D
Gas particles are spread farther apart from each other.
What is gas and its characteristics?Gas is a state of matter that has no fixed shape and no fixed volume.
Gases have a lower density than other states of matter, such as solids and liquids.
There is a great deal of empty space between particles, which have a lot of kinetic energy and aren't particularly attracted to one another.
The main characteristics of matter are:
(1) they are easy to compress,
(2) they expand to fill their containers, and
(3) they occupy far more space than the liquids or solids from which they form.
In a gas, particles are in continual straight-line motion.
The kinetic energy of the molecule is greater than the attractive force between them, thus, they are much farther apart and move freely of each other.
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A toy car is given an initial velocity of 5.0 m/s and experiences a constant acceleration of 2.5 m/s2. What is the final velocity after 5.0 s?
a 21.6 m/s
b 19.2 m/s
c 17.5 m/s
d 24.5 m/s
Explanation:
v = u + at
v = 5 + 2.5 * 5
V ( final velocity after 5 sec) = 17.5 m/s
what is the meaning of joule
A joule is a unit of energy.
Answer:
The work done by a force of one Newton is known as joule
Explanation:
Paul’s class investigated the effects of friction on the motion of a toy car. Using ramps with different surfaces, students determined the amount of time, in seconds (s), for the toy cars to reach the bottom of each ramp. All variables were controlled except the tested variable (independent variable). Paul's group concluded that toy cars on a sandpaper surface are fastest.
Answer:
C
Explanation:
..
Answer:The conclusion is valid for the data recorded
Explanation:
What is the density of a 200 gram mass whose volume is 300 cm?
Answer:
0.667 grams per cm cubed
Explanation:
the formula for density is mass divided by volume
What can you say about the motion of an object if its velocity time graph is a straight line parallel to the time axis
Explanation:
it means its velocity and acceleration is constant. And there is no change in displacement , so the object is not moving.
Explain how your model is different from the model in the picture
What does your model look like and the one it's being compared to?
Answer:
you should prolly put the model
Explanation:
Can someone help me its A,B,C,D
Question 2 Which of the following is NOT an example of a pure substance?
Answer: Image result for Which of the following is NOT an example of a pure substance? Examples of materials that are not pure substances.
include gravelImage result for Which of the following is NOT an example of a pure substance?
Heterogeneous mixtures are not pure substances., your computer, a mixture of salt and sugar, and a tree.
12. Where is the Moon? If you see it, describe its location and appearance.
this is my question
Answer: left and applied force
Explanation:
A runner decreases his velocity from 20 m/s to 10 m/s in 2.0 s.
What was his average acceleration?
We have that the average acceleration is
[tex]a=5m/s^2[/tex]
From the Question we are told that
Decreases his velocity from 20 m/s to 10 m/s in 2.0 s.\
Generally the equation for the average acceleration is mathematically given as
[tex]a=\frac{u-v}{t}\\\\a=\frac{20-10}{2}[/tex]
[tex]a=5m/s^2[/tex]
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What’s the definition of friction
Answer:
Friction is a force that rubs on a object which then causes something within that object to happen. There are many types of friction, though.
Explanation:
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Urgent
Please write the complete answer
Multiply field strength (N/kg) by mass (kg) to get weight (N)
At the start, the car is carrying
4.7 kg * (9.8 N/kg) = 46.06 N
of fuel.
At the end, it is carrying
3.0 kg * (9.8 N/kg) = 29.4 N.
Assuming the car remains completely intact, its weight was reduced by
46.06 N - 29.4 N = 16.66 N.
What is the momentum of A 200 kg shark swimming at 15 m/s? bruh please help im failing and dont understand this:)
Answer:
p = 3000 kg-m/s.
Explanation:
Given that,
Mass of shark, m = 200 kg
Speed of the shark, v = 15 m/s
We need to find the momentum of the shark. It can be calcullated as follows :
p = mv[tex]p=200\ kg\times 15\ m/s\\\\p=3000\ kg-m/s[/tex]
So, the momentum of the shrak is 3000 kg-m/s.
Which represent correct variations of the formula for speed? Check all that apply. t = d/s s = d/t t = s/d s = dt d = st d = s/t
Answer: 1 2 5
Explanation:
Galileo Galilei, an Italian physicist, is credited with being the first to calculate speed by dividing it by the distance traveled and the time required. Galileo defined speed as the distance covered in a predetermined period of time. Thus option A, B. E is correct.
What represent correct variations of the formula for speed?Speed is determined by dividing the distance by the time. Calculating the units for speed requires knowledge of the units for both time and distance. Since the distance is measured in meters (m) and the time is measured in seconds, the units in this example will be meters per second (m/s) (s).
That is speed = distance time. Alternatively, you can calculate the time by dividing the distance traveled by the speed. You can figure out the third input if you know two of the inputs.
Therefore, For instance, if a car drives 120 miles (ca. 193 km) in 2 hours, we may calculate the speed as 120 × 2 = 60 miles per hour (ca. 97 km/h).
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Is kilometer less than, greater than, or equal to dekameter
Answer:
Less than
Explanation:
Because a dekameter has a higher vantage point than kilometer as a kilometer has a lower vantage point
Answer: a dekameter is actually 10 yrds while 1 kilometer is actually 4 to 5 miles
Explanation:
Complete the paragraph to describe binary systems. A binary star system is made of (blank) stars, one of which is brighter than the other. Astronomers are able to detect the dimmer star because its gravity causes the bright star to (blank). Astronomers can also spot the dimmer star by observing a phenomenon called a(n) (black) binary. This happens when the dim star passes in front of the bright star.
Answer: two, wobble, eclipsing
Explanation: I am watching the video now
Answer:
Two Wobble eclipsing
Explanation:
I got it right on the Assignment. :)
ons How many protons are in an atom of tin?
How many electrons are in an atom of tin?
How many neutrons are in an atom of tin? Round your
answer to the nearest whole number.
Answer:50,50,69
Explanation:I just did it
A motorcycle is stopped at a traffic light. When the light turns green the motorcycle accelerates to a speed of 77 km/h over a distance of 50 m.
(a) What was the average acceleration of the motorcycle over this distance?
(b) Assuming the motorcycle maintained a constant acceleration, how far is it from the traffic light after 3.0 s?
Answer:
good luck
Explanation:
.....................
Which action might lead scientists to develop new explanations about the universe?
Answer:
Designing experiments to replicate the conditions in which life may have first evolved on Earth
Explanation:
In 1953, Stanley L. Miller and Harold C. Urey conducted an experiment to prove that life started from inanimate objects. The research was conducted by utilizing proposed chemical substances, mixed together through a scientific design process. The outcome of the research is the predicted atmospheric conditions before the pre-living form started on earth.
Therefore, in this case, the action that might lead scientists to develop new explanations about the universe is "Designing experiments to replicate the conditions in which life may have first evolved on Earth."
A cricket batsman hits a ball at a speed of 27m/s at an angle of 60 degrees to the horizontal. How far away would you have to stand in order to catch it (assuming you want to catch it just before it hits the ground)?
Answer:
64.4 m
Explanation:
First, find how long it takes to land. Given in the y direction:
Δy = 0 m
v₀ = 27 m/s sin 60° ≈ 23.4 m/s
a = -9.8 m/s²
Find: t
Δy = v₀ t + ½ at²
0 m = (23.4 m/s) t + ½ (-9.8 m/s²) t²
t = 4.77 s
Next, find how far it travels in that time. Given in the x direction:
v₀ = 27 m/s cos 60° = 13.5 m/s
a = 0 m/s²
t = 4.77 s
Find: Δx
Δx = v₀ t + ½ at²
Δx = (13.5 m/s) (4.77 s) + ½ (0 m/s²) (4.77 s)²
Δx = 64.4 m
Comprehension Questions:
1. True or false: even when your
research does not support your
hypothesis, the hypothesis has value.
0)
True
O False
No
You drive 200 miles in 3 hours before stopping for lunch and gas. After lunch you
travel 250 miles in an hour and a half What was your average speed in mi/hr)
for the trip
Given :
You drive 200 miles in 3 hours before stopping for lunch and gas. After lunch you travel 250 miles in an hour and a half.
To Find :
Average speed.
Solution :
We know, average speed is given by :
[tex]v=\dfrac{\text{Total distance covered}}{\text{Total time taken}}\\\\v=\dfrac{200+250}{3+1.5}\ miles/hr\\\\v=\dfrac{450}{4.5}\ miles/hr\\\\v=100\ miles/hr[/tex]
Therefore, average speed of the journey is 100 miles/hr.
Hence, this is the required solution.
WHY DONT TWO OBJECTS MOVE TOWARDS EACH OTHER DUE TO GRAVITATIONAL PULL BETWEEN THEM
Answer:
Although the gravitational force the Earth exerts on the objects is different, their masses are just as different, so the effect we observe (acceleration) is the same for each. The Earth's gravitational force accelerates objects when they fall. It constantly pulls, and the objects constantly speed up.
whats the average velocity
Answer:
A velocity is a vector unit, and average velocity can be described as the displacement divided by the time. The units for velocity can be understood from the definition to be meters/second or in common any distance unit over any time unit. The average speed of a body is described as the distance covered divided by the time elapsed.
Explanation:
the force of speed
Answer:
10 m/s
Explanation:
The average velocity is the slope of the graph.
m = (10 - 0)/(1 - 0)
m = 10/1
m = 10 m/s
what was Galleos contribution to the study of motion ?
Answer:
B ) He was the first to systematically study force and motion.
Explanation:
I seen this one before and know the answer since there's 4 options
The dimensions of a room are 16.40 m long, 4.5 m wide and 3.26 m high. What is the volume of the room in cubic meters? Express your answer in scientific notation.
Answer:
the volume of the room is 240.588 meters3
The picture shows the scientific notation
Texting and driving is a dangerous act
and is illegal in many areas. Suppose a driver takes 3.5 seconds to send a text. Travelling at 95 km/h, how far in meters did the vehicle travel while the driver was distracted? (Hint: How many seconds are in an hour?
How many meters are in a km?)
Answer:
s = 92.36 m
Explanation:
The distance covered by an object moving with uniform speed is given by the following formula:
s = vt
where,
s = distance covered by car during the time when driver was distracted in texting = ?
v = uniform speed of car = (95 km/h)(1 h/3600 s)(1000 m/1 km) = 26.39 m/s
t = time taken by the driver for texting = 3.5 s
Therefore, using these values in equation, we get:
s = (26.39 m/s)(3.5 s)
s = 92.36 m
An engineering team has come to the stage in the engineering design
process in which it is iterating to improve the solution. What is one thing they
might be doing?
A. Identifying different sets of criteria and constraints to use for each
possible solution
B. Choosing one solution to model out of many possible solutions
the team has identified
C. Identifying the limits on how the prototype can be used to solve
the engineering problem
D. Making improvements to the original prototype in order to perform
more tests
Answer:
D. Making improvements to the original prototype in order to perform
more tests
Explanation:
just did it
The one thing that they might do is making improvements to the original prototype in order to perform more tests. Thus option D is correct.
What is prototype?Prototype is defined as a type of early version, or initial release of a product created to test a theory or procedure.
It can be defined as a test procedure where design teams put concepts into concrete forms, whether they be paper or digital.
It can also be defined as a useful tool for the creation of new products. It provides the creative with the opportunity to watch their concept come to fruition.
There are three basic rule of prototyping.
Inquire as to who will gain.Fail frequently and early.Use show and ask instead of show and tell.When the EGL system code does not have access to the function itself, a function prototype definition is used to provide type checking on function calls.
Thus, the one thing that they might do is making improvements to the original prototype in order to perform more tests. Thus option D is correct.
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What was the caloric theory of heat?
Answer:Caloric theory, explanation, widely accepted in the 18th century, of the phenomena of heat and combustion in terms of the flow of a hypothetical weightless fluid known as caloric. ... The idea of an imaginary fluid to represent heat helped explain many but not all aspects of heat phenomena.
Explanation:
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