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A body in one dimensional motion has zer...

A body in one dimensional motion has zero speed at an instant. At that instant, it must have

A

Zero velocity

B

Zero acceleration

C

Non-zero velocity

D

Non-zero acceleration

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • For the one dimensional motion, described by x=t-sint

    A
    `x(t) gt 0` for all t gt 0
    B
    `nu(t) gt 0` for all `t gt 0`
    C
    `a(t) gt 0` for all `t gt 0`
    D
    all of these

  • In one dimensional motion, instantaneous speed v satisfies (0 le v lt v_0) then

    A
    1. The displacement in time T must always take on-negative values.
    B
    2. The displacement x in time T satifies - `v_oT`< x < `v_o`T.
    C
    3. The acceleration is always a non-negative number.
    D
    4. The motion has no turning points.

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