Physics, 20.11.2021 14:00 saucydolphin20p6x92l
A 2200 kg van runs into the back of a 775 kg compact car at rest. They move off together at 9.0 m/s. Ignore the friction with the ground. What was the initial speed of the van?
Answers: 1
Physics, 22.06.2019 02:30
Which of the following are properties of mechanical waves? check all that apply â•ď¸Ź particles of the medium move back and fourth, but do not move with the wave. â•ď¸Ź the particles of the medium always move parallel to the wave motion. â•ď¸Ź wave motion begins with a disturbance in the medium. â•ď¸Ź waves transport energy from a source outward, away from the source.
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Physics, 22.06.2019 02:30
If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?
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Physics, 22.06.2019 03:00
If it takes a planet 2.8 x 10^8 s to orbit a star with a mass of 6.2 x 10^30 kg what is the average distance between the planet and the star
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A 2200 kg van runs into the back of a 775 kg compact car at rest. They move off together at 9.0 m/s....
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