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 : (in m/s)

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

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 : (in m/s)
Answer» Explanation:Hello Friend,ANSWER RELATIVE velocity of a particle P in the frame of Q changes linearly with time during the flight of P Acceleration of Particle P and Q along the inclined is same Acceleration of particle P PERPENDICULAR to the incline PLANE =10 COS60 =10 × 1/2 =5 m/sec squareSoV p −5(2)=0V p = 10 m /sHence speed of projection of P is 10 m/sec.

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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 : (in m/s)

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