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Define relative velocity of an object w....

Define relative velocity of an object w.r.t. another. Draw position-time graph of two objects moving along a straight line, when their relative velocity is (i) zero and (ii) non-zero.

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Knowledge Check

  • The velocity-time graph of a particle moving along a straight line is shown in Fig. The displacement of the body in 5 second is :

    A
    0.5 m
    B
    1 m
    C
    2 m
    D
    3 m

  • The velocity time graph of a body moving along a straight line is shown in Fig. The acceleration of the body during OA will be:

    A
    Zero
    B
    20 `m//s^(2)`
    C
    10 `m//s^(2)`
    D
    5 `m//s^(2)`

  • The given graph shows the variation of velocity (v) with position (x) for a particle moving along a straight line. Which of the following graph shows the variation of acceleration (a) with position (x)?

    A
    B
    C
    D

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    Two objects, each of mass 1.5 kg are moving in the same straight line but in opposite directions. The velocity of each object is 2.5 ms^(-1) before the collision during which they stick together. What will be the velocity of the combined object after collision ?

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