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Romashka [77]
2 years ago
11

In an elastic collision, _______ energy is conserved.

Physics
1 answer:
Nonamiya [84]2 years ago
4 0

Answer:

Kinetic energy and momentum are conserved.

Explanation:

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Calculate the average travel time for each distance, and then use the results to calculate.
Eddi Din [679]

The average time that it takes for the car to travel the first 0.25m is 2.23 s

The average time that it takes for the car to travel the first 0.25 m is given by:

t=\frac{2.24 s+2.21 s+2.23 s}{3}=2.227 s \sim 2.23 s

The average time to travel just between 0.25 m and 0.50 m is 0.90 s

First of all, we need to calculate the time the car takes in each trial to travel between 0.25 m and 0.50 m:

t_1 = 3.16 s - 2.24 s=0.92 s\\t_2 = 3.08 s- 2.21 s=0.87 s\\t_3 =3.15 s- 2.23 s=0.92 s

Then, the average time can be calculated as

t=\frac{0.92 s+0.87 s+0.92 s}{3}=0.90 s

Given the time taken to travel the second 0.25 m section, the velocity would be 0.28 m/s

The velocity of the car while travelling the second 0.25 m section is equal to the distance covered (0.25 m) divided by the average time (0.90 s):

v=\frac{d}{t}=\frac{0.25 m}{0.90 s}=0.28 m/s

8 0
3 years ago
Read 2 more answers
How does the movement of particles of matter change when matter goes from solid to liquid?
icang [17]
Solid to liquid: molecules spread out to have their own spaces and move energetic and lively.
5 0
4 years ago
Gravitational force becomes (stronger/weaker)as mass increases
Mashcka [7]
Stronger.....................becasue gravitational force is force pulling all matter (anything that has mass and occupies space) . The more the matter (which also includes mass), the more the gravitational force.
<span>So, the answer is stronger. </span>
3 0
4 years ago
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Rules for competitive team sports set which limit?
Tanya [424]

Answer:

the skill level of players

Explanation:

5 0
3 years ago
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(Please help, will give thanks + brainliest answer)
Bond [772]

Answer:

A) 1.9m/s

Explanation:

Use the equation v=d/t

The time is 10 seconds. The distance is more complicated because it’s a circle so u use the equation for circumference C=2•pi•r. So you just do the circumference over time and get the answer. Hope this helps

8 0
4 years ago
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