A stone is projected with a velocity 20 root 2 m
s at an angle of 45° to the horizontal. The av-
erage velocity of stone during its motion from
starting point to its maximum height is
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Answer:
10√5
Explanation:
h = u/ 2 (1+ cos ^2theta)
=20√2/ 2(1 + 1/2)
= 10√5
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