Physics, 27.11.2019 21:31 NehemiahPate2006
Train cars are coupled together by being bumped into one another. suppose two loaded train cars are moving toward one another, the first having a mass of 135,000kg and a velocity of 0.305m/s, and the second having a mass of 100,000kg and a velocity of −0.210m/s. (the minus indicates direction of motion.) what is their final velocity?
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If the force applied to an object remains constant, is more power needed for the object to move faster ? explain
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Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil
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