Physics, 21.08.2019 19:00 andrew8228
A75-kg refrigerator is located on the 70th floor of a skyscraper (300 meters above the ground) what is the potential energy of the refrigerator?
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True or false graphs must include scales that increase by the same amount
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Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)
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Acharge q experiences no net force at a particular point in space. which of the following situations described below must always be true? -there are no other charges nearby. -if there are other charges nearby, they must all have the same sign as q. -if there are other charges nearby, they must all have the opposite sign of q. -if there are other charges nearby, the total positive charge must equal the total negative charge. -none of the above
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A75-kg refrigerator is located on the 70th floor of a skyscraper (300 meters above the ground) what...
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