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A grass hopper can jump a maximum horizo...

A grass hopper can jump a maximum horizontal distance of ` 20 .4 cm` . If it speeds negligible tiem on the ground, what is its speed of travel along the road, ` g= 10 m//s^@`.

A

`3//2 m//s`

B

`sqrt(3/2) m//s`

C

`1//2 m//s`

D

`sqrt(2/3) m//s`

Text Solution

Verified by Experts

The correct Answer is:
B
`R_(max)=u^(2)/g & u_(x)=u cos theta`
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