A baseball is projected with a velocity v making an angle θ θ with the incline of indication α α as shown in fig. Find the condition that the ball hits the incline at right angle.
Text Solution
Verified by ExpertsThe correct answer is:
A
T = 
. It will hit vertically the incline if v x = 0.
0 = v cos θ θ T – g sin α α T 2
or vcos θ θ 
[cos θ θ cos α α - sin α α sin θ θ ] = 0
or cot θ θ = tan α α
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