Balls rotate around their center of mass
A ball of 100 g and a ball of 240 g are join by a 34 cm long, mass-less, rigid rod. The balls rotate around their center of mass at 120 rpm.
Evaluate the speed of the ball of 100 g?
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A point particle having mass m1 = 2.00 kg is at the origin and the second point particle of mass m2 = 3.00 kg is on the x axis at x = 8.0 m. Determine the gravitational field at the given locations.
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The wire carries a current of 1.5 A eastward and moves horizontally to the north. When a magnetic field of .2 T points into the surface, determine the surface's coefficient of friction of the wire moves with the acceleration of around 1.04 m/s2.
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