Q)
(chatquestion)...A ball is projected upwards from the top of a tower with a velocity 50m/s making an angle 30
with the horizontal. The height of the tower is 70m. After how many seconds from the instant of
projection, will the ball reach the ground- (Take g-10 m/s).
(A) 2 s
(B) 5 s
(C) 7 s
(D) 9 s
1 Answer
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