Physics, 17.04.2020 03:32, patrickdolano
A loaded freight car A with a mass of 24,000 kg moves at a constant velocity of 8 m/s on a horizontal railroad track. It collides with an empty stationary car B with a mass of 8,000 kg. After the collision, the cars stick to each other, moving as a unit. What is the common velocity of the two cars after the collision
Answers: 3
Physics, 21.06.2019 18:00, nnyahtoland
8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )
Answers: 3
Physics, 22.06.2019 03:00, lex1kkkk
An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d
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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?
Answers: 1
Physics, 22.06.2019 13:30, Travisbennington
Which is not an example of how an object gains elastic potential energy by stretching? a. jumping on a pogo stick b. pulling on a rubber band c. jumping on a trampoline
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A loaded freight car A with a mass of 24,000 kg moves at a constant velocity of 8 m/s on a horizonta...
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