QUESTION 1 Average velocity of particle that is undergoing uniform rectilinear m

Question

QUESTION 1 Average velocity of particle that is undergoing uniform rectilinear motion: A. depends on time B. depends on position C. is constant D. is the same as instantaneous velocity E. C and D QUESTION 2 Instantaneous acceleration of particle that is undergoing uniform rectilinear motion: A. depends on time B. depends on position C. is zero D. A and B QUESTION 3 In order to find position of particle undergoing uniform rectilinear motion, one needs to know: A. only its velocity B. only initial position C. initial position, velocity, and time D. only time

Explanation / Answer

1.option E is correct , because in uniform motion velocity remains constant , and since velocity is constant throughtout the motion so average velocity and instantenous velocity will be same.

2.option C is correct because in uniform rectilinear motion velocity remains constant i.e acceleration zero.

3.option C is correct .

4.distance=speed*time

= 10*15

= 150 ft

= 50 yard.

So option 1 is correct

5.speed = distance / time

= 120/5

= 24 yard/sec or 72 ft/sec

So option 1 is correct

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