A transparent lift A is moving upwards with velocity 20 m/s and retarding at the rate of 8 . Second transparent lift b is located in front of it and is going down at 10 m/s with retardation 2 . At the same instant a bolt from the ceiling of lift A drops inside lift A. Height of the lift car is 16m. If the displacement of bolt relative to B when it hits the floor of A is –6n metre, then find the value of n .
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blasorry I don't know
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