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Physics, 21.06.2019 22:20
Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)
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Physics, 22.06.2019 08:30
What object a collides with object b and bounces back its final momentum is?
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Physics, 22.06.2019 17:20
Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.
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A stone slides across the ice collides with a stick. Compare two ways the stone could hit the stick....
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