Physics, 03.07.2019 11:20, rafamoreura
Alaser pulse with wavelength 520 nm contains 4.40 mj of energy. how many photons are in the laser pulse?
Answers: 1
Physics, 22.06.2019 09:00, jaeana
Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy
Answers: 1
Physics, 22.06.2019 10:30, zoebtharpe
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
Answers: 2
Alaser pulse with wavelength 520 nm contains 4.40 mj of energy. how many photons are in the laser pu...
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