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Particle Kinematics-Constant Accel

# Particle Kinematics-Constant Accel - 1D Particle Kinematics...

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1D Particle Kinematics – Motion with constant acceleration Initial kinematic quantities at the starting time: Initial position x 0 and initial velocity υ 0 . – Constant acceleration motion 0 2 00 22 1 2 2( ) at x x t at ax x υυ υ = + = ++ = +− – Constant velocity motion 0 0 xx t = = + Example 1. A particle is moving along a straight line with constant acceleration. Measured from a chosen reference frame, the particle‘s starting position is +2 m at t = 0. The particle is observed to move to the origin with a velocity of 0.8 m/s when t = 10 s. Find the time instant when the particle change its direction of motion. ( Ans :6 s) 2. Free fall : A ball is thrown upward at the corner of a building as shown. It takes 5 s for the ball to hit the ground. Find the maximum height of the ball h above the starting point.

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Particle Kinematics-Constant Accel - 1D Particle Kinematics...

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