A ball is projected from the ground at angle with horizontal. After Is it is moving at angle
45° with the horizontal and after 2 s it is moving horizontally. What is the velocity of
projection of the ball?
(a) 10.13 ms1
(b) 2013 ms]
(0) 1015 ms?
(d) 20/2 ms1
T
o
of profile at angles (450-A) and (45° + A) the horizontal rangos
rittanyles Au
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c is answee
Explanation:
By applying formula u square sin thita square by 2g
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