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A grass hopper can jump maximum distance of 1.6m. It spends negligible time on the ground. How far can it go in 10 seconds? |
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Answer» Solution :`u^(2)/g=1.6 u^(20) =16, u=4 m//s` `4 COS THETA =4 xx 1/sqrt(2) =2sqrt(2)`m/s `S = 4 cos theta.t=2sqrt(2) xx 10, S=20sqrt(2)`m |
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