Physics, 14.12.2019 00:31 laryans317
A100 g ball on a 60-cm-long string is swung in a vertical circle about a point 200 cm above the floor. the string suddenly breaks when it is parallel to the ground and the ball is moving upward. the ball reaches a height 600 cm above the floor. what was the tension in the string an instant before it broke?
Answers: 3
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An electron in an x-ray machine is accelerated through a potential difference of 1.00 × 104 v before it hits the target. what is the kinetic energy of the electron in electron volts?
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A100 g ball on a 60-cm-long string is swung in a vertical circle about a point 200 cm above the floo...
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