A particle is thrown up vertically with a speed `v_(1)` in air . If takes time `t_(1)` in upward journey and `t_(2)(gt t_(1))` in the downward journey
A particle is thrown up vertically with a speed `v_(1)` in air . If takes time `t_(1)` in upward journey and `t_(2)(gt t_(1))` in the downward journey and returns to the starting point with a speed `v_(2)`. Then:-
A. `v_(1)=v_(2)`
B. `v_(1)ltv_(2)`
C. `v_(1)gtv_(2)`
D. Data is insufficient
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Correct Answer - C
There is loss of kinetic energy during the motion so it is clear that `v_(1)fgtv_(2)`
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