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Can a body have a constant velocity but ...

Can a body have a constant velocity but a varying speed ?

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No, since velocity=speed + direction , therefore a body can bot possess a constant velocity but a varying speed.
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Can a paticle have (i) zero speed and non - zero velocity ? (ii) constant velocity but a varying speed ? (iii) constant speed but a varying velcoity ?

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Knowledge Check

  • A body can have

    A
    changing momentum and finite kinetic energy
    B
    zero kinetic energy and finite momentum
    C
    zero acceleration and increasing kinetic energy
    D
    finite acceleration and zero kinetic energy

  • Assertion: A body having non zero acceleration can have a constant velocity. Reason: Acceleration is the rate of change of velocity.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false.
    D
    If assersion is false but reason is true.

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    Can a body have mass but no weight ?

    Can a body a constant speed an dstill have a varying velcity ?

    Can a body have zero velocity and still be accelerating ? If yes gives any situation.

    Is it possible for a particle to have varying velocity but constant speed? Explain.

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