A body moves along a straight line with uniform acceleration and at instants t 0 1 2 3 s it is at distances of 30 52 5 80 and

Question

A body moves along a straight line with uniform acceleration and at instants t 0 1 2 3 s it is at distances of 30 52 5 80 and 112 5 m from a fixed point Find its acceleration and velocity at t 0 5 m s 20 m s A man covers a distance from a point P to a point Q in a straight line at a speed of 4 m s and returns back along the same path at a speed of 8 m s What is his average speed What is his average velocity 16 3 m s zero Two particles starting from the same point O at the same time and moving along the same straight line are at distances 5 11 metres and 7 3t metres respectively from O after ts from start a When will they have the same speed b When will they meet c What will be their velocities accelerations and distance from O when they meet x 2x b 4 c 51 and 59 m s dy 10 m s my 14 m s 1 1

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