A ball is projected from a certain point on the surface of a planet at a certain angle with the horizontal surface. The horizontal and vertical displacement x and y vary with time t in second as: x = 10 
and y = 10t – t 2 The maximum height attained by the ball is
Text Solution
Verified by ExpertsThe correct answer is:
D
(Y max ) ⇒ 
⇒ 
(10 t – t2) = 10 – 2t
⇒ t = 5
⇒ Y max = 10(5) – 5 2 = 25 m
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