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A person is going up in a lift with constant acceleration to metre per second square when the lift speed is 10 metre per second he dropped from a height of 2 m if the point will hit the floor at time |
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Answer» Answer: 0.2sec Explanation: u=0 h=2m h=ut+1/2gt^2 2=1/2×10t^2 t^2=0.4 t=0.2sec |
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