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XDA body is projected with an initial velocity of 20 ms -1 at an angle of 30° with the horizontal. Calculate (a) maximum height, (b) time taken to reach the maximum height and (c) horizontal range. 34. An elevator which can carry a maximum load of 1800 kg (elevator + passengers) is moving up with a constant speed of 2 ms – 1 . The frictional force opposing the motion is 4000 N. Determine the minimum power delivered by the motor to the elevator in watt and in horsepower.
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