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Relating Circular Motion to SHM

At t=0, a par...

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At t=0, a particle at the origin has a velocity of 15m/s at 37^° above the horizontal x axis. at t=5s,it is at x=20m and y=35m and its velocity is 30m/s at 53^° above the horizontal .find a) its average velocity b) its average acceleration

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