A stone is shot straight upward with a speed of 20m/ sec from a tower 200m high.the speed with which it strikes the ground approximately
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Speed=distance/time. 200/20= 10
vedushinde333:
it is wrong answer
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answer is 65.66 m/s.
acceleration towards upward is negative
acceleration downwards is taken positive
acceleration towards upward is negative
acceleration downwards is taken positive
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