An inclined plane makes an angle 0 =45° with horizontal. A stone is projected normally from the inclined
plane, with speed u m/s at t=0 (as shown in figure). x and y axis are drawn from point of projection along and
normal to inclined plane as shown. The length of incline is sufficient for stone to land on it and neglect air
friction.
IO - 450
X
The instant of time at which velocity of stone is parallel to x-axis
2u
V2u
(A) 2/2u
B 24
(C)
(D) 12
g
unlonitiinf stone makes an angle =45° with positive x-axis
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A stone makes an angle =45 degree with positive x-axis
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