Physics, 30.03.2021 22:20 isabeltorres5
5. Un tren viaja por una vía recta a una velocidad de 30 m/s. Una persona que viaja en el
tren deja caer (accidentalmente) por la ventana su celular que sujetaba en estado de
reposo (con respecto al tren) desde una altura de 3 m hasta la vía. En el instante
exactamente antes de que el celular llegue a la vía, ¿cuál es su velocidad con respecto al
tren? ¿Y cuál es su velocidad con respecto a la vía?
Answers: 2
Physics, 22.06.2019 06:10
Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.
Answers: 3
Physics, 22.06.2019 12:30
Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=
Answers: 2
Physics, 22.06.2019 14:00
Often called simply "velocity," this is the velocity of an object at a particular moment in time.
Answers: 1
Physics, 22.06.2019 19:00
The law of reflection states that the angle of reflection is equal to the angle of
Answers: 1
5. Un tren viaja por una vía recta a una velocidad de 30 m/s. Una persona que viaja en el
tren deja...
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