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Physics, 21.06.2019 22:30, tladitidimatso1783
A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?
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Physics, 22.06.2019 11:30, lifeofabe214
Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?
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Physics, 22.06.2019 17:30, janicemaxwell123
Does heating a metal wire increase or decrease its electrical resistance? why?
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