Physics, 28.09.2019 18:20 Poohlobster
Aprojectile is fired into the air at a nonzero angle with the horizontal. when the projectile reaches its maximum height, the speed of the projectile is 21.5% of its original speed. what angle was the projectile originally fired at?
Answers: 3
Physics, 21.06.2019 21:00
A150 w lamp emits light of wavelength 590 nm uniformly in all directions. what is the photon flux (photons per unit area per unit time) on a small screen at a distance 2.3 m from the lamp? assume the photons are uniformly distributed over the surface of a sphere of radius 2.3 m.
Answers: 2
Physics, 21.06.2019 22:20
1400 kg car has a speed of 27 m/s. if it takes 7 s to stop the car, what is the impulse and the average force acting on the car?
Answers: 1
Physics, 22.06.2019 14:30
An electromagnet is a device in which moving electric chargers in a coil of wire create a magnet.whats one advantage of using electromagnetic in devices
Answers: 1
Aprojectile is fired into the air at a nonzero angle with the horizontal. when the projectile reache...
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