You are throwing a ball straight up and then catching it as it returns to your hand. when the ball leaves your hand, its momentum is in the upward direction but when it returns to your hand, its momentum is in the downward direction. during its flight above your hand, what happens to the ball's initial upward momentum? (a) the upward momentum is converted into gravitational potential energy. (b) the upward momentum is converted into kinetic energy. (c) the upward momentum is converted into thermal energy. (d) the upward momentum is transferred to the earth.
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Physics, 21.06.2019 15:10
Alightning strike consists of charge moving from a cloud to the ground . in one particular case, the electrons in a lightning strike are confined to travel within a radius of 1.5 m and to move at a speed of 5.0 x 10 m/s. if the density of electrons in the strike is 10'15 electrons/m what current is carried by the lightning ?
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Write a question about how changing temperature affects the gas inside the sports ball
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Asmall, positively charged ball is moved close to a large, positively charged ball. which describes how the small ball likely responds when it is released? it will move toward the large ball because like charges repel. it will move toward the large ball because like charges attract. it will move away from the large ball because like charges repel. it will move away from the large ball because like charges attract.
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Physics, 22.06.2019 02:00
Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?
Answers: 3
You are throwing a ball straight up and then catching it as it returns to your hand. when the ball l...
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