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Distance is a scalar quantity. Displacem...

Distance is a scalar quantity. Displacement is a vector quqntity. The magnitude of displacement is always less than or equal to distance. For a moving body displacement can be zero but distance cannot be zero. Same concept is applicable regarding velocity and speed. Acceleration is the rate of change of velocity. If acceleration is constant, then equations of kinematics are applicable for one dimensional motion under the gravity in which air resistance is considered, then the value of acceleration depends on the density of medium. Each motion is measured with respect of frame of reference. Relative velocity may be greater`//` smaller to the individual velocities.
A particle moves from A to B. Then the ratio of distance to displacement is :-

A

`pi/2`

B

`2/pi`

C

`pi/4`

D

`1:1`

Text Solution

Verified by Experts

The correct Answer is:
A
`("Distance")/("Dispacement")=(pid//2)/d=pi/2`
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When is the magnitude of displacement equal to the distance ?

(A):Acceleration is the rate of change of velocity . (R ):A body having nonzero acceleration can have a constant velocity.

Is displacement a scalar or a vector quantity?

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