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A stone is projected with a velocity 20s...

A stone is projected with a velocity `20sqrt2 m//s` at an angle of `45^(@)` to the horizontal.The average velocity of stone during its motion from starting point to its maximum height is

A

`10sqrt5 m//s`

B

`20sqrt5 m//s`

C

`5sqrt5 m//s`

D

`20m//s`

Text Solution

Verified by Experts

The correct Answer is:
A
`v=u/2sqrt(1+3 cos^(2)theta)`
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