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A particle A is projected verically upwa...

A particle `A` is projected verically upwards. Another indentical particle `B` is projected at an angle of `45^(@)`. Both reach the same height. The ratio of the initial kinetic energy of `A` to that of `B` is `-`

A

`1:2`

B

`2:1`

C

`1:sqrt2`

D

`sqrt2:1`

Text Solution

Verified by Experts

The correct Answer is:
A
`v_(1)=(v_(2))/(sqrt2)rArr((1)/(2)mv_(1)^(2))/((1)/(2)mv_(2)^(2))=(1)/(2)`
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