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For a moving body at any instant of time...

For a moving body at any instant of time

A

If the body is not moving, the acceleration is necessarily zero.

B

If the body is slowing, the retardation is negative

C

If the body is slowing, the distance is negative

D

if displacement, velocity and acceleration at that instant are known, we can find the displacement at any given time in future

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The correct Answer is:
D
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AAKASH SERIES-MOTION IN A STRAIGHT LINE-Exercise 1A
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  3. For a moving body at any instant of time

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  4. A body falls freely from a height 'h' after two seconds if accelaratio...

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  5. In the above problem if we assume that gravity disappears instead of g...

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  6. In the case of a body freely falling from small height

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  7. A hydrogen balloon released on the moon from a height will

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  8. A freely falling body traveled xm in n^(th) second distance travelled ...

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  9. A body is projected up with a velocity 50ms^(-1) after one second if a...

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  10. A body falls freely from a height 'h' after two seconds if accelaratio...

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  11. A stone is released from an elevator going up with an acceleration 'a'...

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  12. From the top of a tower body A is thrown up vertically with velocity ...

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  13. At the maximum height of a body thrown vertically up

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  14. Following are four different relation about displacement,velocity and...

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  15. A body thrown vertically up with velocity u reaches the maximum height...

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  16. A balloon rases up with uniform velocity 'u'. A body is dropped from b...

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  17. In the above problem if body is thrown down with velocity 'u' the equa...

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  18. The displacement of a particle as a function of time is shown in the f...

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  19. From the top of a tower two bodies are projected with the same intital...

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  20. The velocity-time graph of a particle in one-dimensional motion is sho...

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