1)A ball is projected horizontally from the top of a vertical cliff 40m high at...
1)A ball is projected horizontally from the top of a vertical cliff 40m high at...
1)A ball is projected horizontally from the top of a vertical cliff 40m high at a velocity of 20m/s. Calculate (1) the time taken to get to the ground. (2) the vertical component of velocity on getting to the ground. (3) the distance from the cliff when it strikes the ground. (Take g= 10m/s²) (2) An elevator of mass 4800kg is supported by a cable which can safely withstand a maximum tension of 60,000N. What is the maximum upward acceleration the elevator can have?
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Asked by Ebube on 6th February, 2021
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