Physics, 22.08.2019 03:30 andrew412603
Estimate the number of photons emitted per second from 1.0 cm2 of a person's skin if a typical emitted photon has a wavelength of 10,000 nm. assume the skin of a person is at the normal body temperature of 37∘c.
Answers: 3
Physics, 22.06.2019 04:00
When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative
Answers: 2
Physics, 22.06.2019 11:30
Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?
Answers: 3
Estimate the number of photons emitted per second from 1.0 cm2 of a person's skin if a typical emitt...
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