Questions
A boy projects a stone vertically perpendicular to the trolley car with a speed v. If the trolley car moves with a constant velocity u, the time of flight of the stone is:
a
u+vg
b
2vg
c
2ug
d
none of these
detailed solution
Correct option is B
vo sin θ = u-----(i)vo sin θ = u ----------------(ii)Time of flight depends on vertical component of velocity.T = 2v0 sin θg = 2vgTalk to our academic expert!
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