Physics, 14.09.2019 06:20 emily965692
Ablue-green photon (λ = 488 nm ) is absorbed by a free hydrogen atom, initially at rest. what is the recoil speed of the hydrogen atom after absorbing the photon?
Answers: 2
Physics, 21.06.2019 16:30
In which scenario is the least amount of work done on a crate? a force of 120 n moves it 25 m. a force of 115 n moves it 26 m. a force of 130 n moves it 22 m. a force of 125 n moves it 27 m.
Answers: 1
Physics, 21.06.2019 22:30
The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
Answers: 1
Ablue-green photon (λ = 488 nm ) is absorbed by a free hydrogen atom, initially at rest. what is the...
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