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An elevator is moving downward but has a constand upwardacceleration of a=3.5m/s2. At a moment when the elevator speed is vEL=2.3m/s downwards, a person, standing in the elevator, releases acoin fom a heigh of h=1.25m above the floor

a) what would a postion time graph look like for the elelvatorand coin

b) how long dose it take the coin to strike the elevator floo?

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