A particle P is projected from a point on the surface of smooth inclin – McqOptions

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1.	A particle P is projected from a point on the surface of smooth inclined plane (see figure). Simultaneously another particle Q is released on the smooth inclined plane from the same position. P and Q collide on the inclined plane after \[t=4\] second. The speed of projection of P is
A.	5 m/s
B.	10 m/s
C.	15 m/s
D.	20 m/s
Answer» C. 15 m/s

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