Question

A stone is projected with a velocity 20V2 m/s at an
angle of 45° to the horizontal. The average velocity of
stone during its motion from starting point to its maxi-
mum height is : (Take g = 10m/s2):
a) 10m/s
b) 2015 m/s
c) 5 √5 m/s d) 1015 m/s
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Answer 1

Answer should be option d)10square root 5