A 500 gram ball swings in a vertical circle at the end of a
A 500 gram ball swings in a vertical circle at the end of a 1.5 mlong string. When the ball is at the bottom of the circle,the tension of the string is 15 N. What is the speed of aball at that point?
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a 500 gram ball swings in a vertical circle at the end of a 15 mlong string when the ball is at the bottom of the
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a current i 13 a is directed along the positivex-axis and perpendicularl to a magnetic field a magneticforce per unit
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