A ball is thrown from a roof top at an angle of 45° above the horizontal. It hits the ground a few seconds later. At what point during its motion, does the ball have
(a) Greatest speed.
(b) Smallest speed.
(c) Greatest acceleration? Explain
A ball is thrown from a roof top at an angle of 45° above the horizontal. It hits the ground a few seconds later. At what point during its motion, does the ball have
(a) Greatest speed.
(b) Smallest speed.
(c) Greatest acceleration? Explain
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1 Answer
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This is a Short Answer Type Questions as classified in NCERT Exemplar
Explanation- at point B it will gain the same speed u and after that speed increases and will be maximum just before reaching point c.
During journey from O to A speed decreases and will be maximum at point A and acceleration is always constant.
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