Determine the maximum speed the ball can have
A 0.40 kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.1 m on a frictionless horizontal surface. If the cord will break when the tension in it exceeds 62 N, what is the maximum speed the ball can have?
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Calculate the diameter of the bright circular spot formed on the 2.80 m high ceiling by the light reflected from the mirror
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A 126 kg fullback is running at 3.84 m/s to the east and is stopped in 0.700 s by a head-on tackle by a tackler running due west. Calculate the impulse exerted on the fullback. Calculate the impulse exerted on the tackler.
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