A.
Physics, 19.04.2020 19:51 Merlinemicheli4727
The gravitational force between which two objects would be the most difficult to notice?
A.
a water particle and an air particle
B. the Moon and a water particle
C. the Moon and the Earth
D. the Earth and the Sun
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Answers: 3
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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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Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?
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The gravitational force between which two objects would be the most difficult to notice?
A.
A.
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