Physics, 23.07.2020 15:01 collin0123
A 0.2 kg rubber ball is dropped from the window of a building. It strikes the sidewalk below at 30 m/s and rebounds at 20 m/s. The magnitude of the change in momentum of the ball as a result of the collision with the sidewalk is .
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Physics, 22.06.2019 07:30
Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?
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Physics, 22.06.2019 14:30
What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?
Answers: 1
Physics, 22.06.2019 15:20
Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?
Answers: 2
A 0.2 kg rubber ball is dropped from the window of a building. It strikes the sidewalk below at 30 m...
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