a lift gets accelerated from rest to a speed of 72 km/hr in 1/12 minutes. it then moves uniformly for next 30 seconds before coming to rest at the topmost storey of the building in 8 seconds. find: 1] what is the acceleration in the lift 2] what is the retardation in the lift c] what is the height of the building
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acceleration=14.4m/s²
retardation=12m/s²
height=567.6m
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