Physics, 23.11.2020 20:30 ilizzy1224
2. A 0.3 kg rubber ball is dropped from the window of a building. It strikes the sidewalk below at 30 m/s and rebounds up at 20 m/s. a) Find the magnitude of the impulse due to the collision with the sidewalk b) If the collision took 3 ms, what was an impact force?
Answers: 1
Physics, 22.06.2019 13:10, rosemary909
Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.
Answers: 1
Physics, 22.06.2019 15:20, ineedhelp2285
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
Physics, 22.06.2019 19:30, jstephanie644
A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?
Answers: 1
2. A 0.3 kg rubber ball is dropped from the window of a building. It strikes the sidewalk below at 3...
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