EXAMPLE 20 Two particles P and Q move in a straight line AB The particle P starts from A in the direction AB with velocity u and

Question

EXAMPLE 20 Two particles P and Q move in a straight line AB The particle P starts from A in the direction AB with velocity u and acceleration f and at the same time particle Q starts from B in the direction of BA with velocity u2 and acceleration f2 If they pass one another at the middle point of AB and arrive at the other end of AB with equal velocities prove that U U f1 f2 8 f1 42 f2 41

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