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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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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