Random problem asst3

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course phy 121

11/2 530pm

An object travels a distance of 32 cm in 17.6 seconds from start to finish. If its acceleration is uniform and its initial velocity zero, then what are its average velocity, acceleration and final velocity?Vave = 32cm/17.6sec = 1.82 cm/sec

Vf = 2 * 1.82cm/sec = 3.64 cm/sec

acceleration = 'dv/'dt. Since 'dv = Vf-V0, 'dv = 3.64 cm/sec - 0 = 3.64 cm/sec 'dt = 17.6 seconds

So acceleration = 3.64 cm/sec / 17.6 sec = .207cm /sec^2"

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