Q.
On an inclined plane of inclination 300, a ball is thrown at an angle of 600 with the horizontal from the foot of the incline with a velocity of 103 ms-1. Then the ball will hit the inclined plane in
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a
1 s
b
2 s
c
23 s
d
43 s
answer is B.
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Detailed Solution
T = 2×103sin(600-300)10cos300s= 4 sin300 = 2 s
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