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Physics, 22.06.2019 10:00, ceasar6071
Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?
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Physics, 22.06.2019 16:00, jayelijah0508
What is friction? how does it affect the motion of an object?
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How many neutrons does element x have if its atomic number is 23 and its mass number is 90?...
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