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A particle is projected from the ground with an initial velocity of `20m//s` at an angle of `30^(@)` with horizontal. The magnitude of change in velocity in a time interval from `t=0` to `t=0.5s` (`g=10m//s^(2)`)

A

`5m//s`

B

`2.5m//s`

C

`2m//s`

D

`4m//s`

Text Solution

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The correct Answer is:
A
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