A 500 g ball swings in a vertical circle at the end of a
A 500 g ball swings in a vertical circle at the end of a 1.5-m-longstring. When the ball is at the bottom of the circle, the tensionin the string is 15 N. What is the speed of the ball at that point?
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a simple pendulum has a length of 115 m and a mass of 125 kg the amplitude of oscillations of the pendulum is 300 cm
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the ammonia molecule nh3 has a permanent electric dipolemoment equal to 131 d where 1 d 1debye unit 334 multiplied
a 500 g ball swings in a vertical circle at the end of a 15-m-longstring when the ball is at the bottom of the circle
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a closely wound circular coil with a diameter of 360 cm has 560 turnsand carries a current of 0560 aa what is the
a woman who can row a boat at 73 kmh in still water faces along straight river with a width of 68 km and a current of
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