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(0) becT0. A balloon is moving along with constant upwardacceleration of I m/s, A stone isthrown from the balloon downwardswith speed 10 m/s with respect to 20 m/sthe balloon. At the time ofprojection balloon is at height 120m from the ground and is movingwith speed 20 m/s. Find the timerequired to fall on the ground by the stone after theprojection.(a) 6 sec(c) 3 sec1 m(b) 4 sec(d) 4.5 sec |
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