3 years ago

If they were all moving at the same velocity, which of the following objects would have the most momentum?

Physics

1 answer:

Hunter-Best [27]3 years ago

7 0

A truck, I say that it is a truck because when a truck gets going, it is very hard to stop.

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During which two time intervals does the particle undergo equal displacement?

san4es73 [151]

Answer:

BC and DE

Explanation:

In the given figure, the velocity time graph is shown. We know that the area under v-t curve gives the displacement of the particle.

Area under AB, $d_1=\dfrac{1}{2}\times 2\times 10=10\ m$

Area under BC, $d_2=\dfrac{1}{2}\times 2\times 4=4\ m$

Area under CD, $d_3=\dfrac{1}{2}\times 2\times 7=7\ m$

Area under DE, $d_4=\dfrac{1}{2}\times 2\times 4=4\ m$

Area under EF, $d_5=\dfrac{1}{2}\times 2\times 3=3\ m$

So, form above calculations it is clear that, during BC and DE undergo equal displacement. Hence, the correct option is (c) "BC and DE = 4 meters".

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2 years ago

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3 years ago

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Leona [35]

Answer: Sound recording and production

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3 years ago

a car accelerates uniformly from rest to a speed of 51.9mi/h in 9.37s. find the constant acceleration of the car. answer in unit

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Which of the following gases are the heaviest? <br> O2, CH4, CO2, Cl2

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