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, 22.06.2019 04:40
How is the gravitational force related to the distance between two objects?
Answers: 1
Physics, 22.06.2019 06:00
Explain earth's motion, using the terms "precession" and "rotation" in your answer.
Answers: 1
Physics, 22.06.2019 06:30
Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.
Answers: 2
To live a good life and be the sort of people we ought to be, we need to develop a virtuous characte...
Biology, 01.12.2020 01:00
Mathematics, 01.12.2020 01:00
Chemistry, 01.12.2020 01:00
Mathematics, 01.12.2020 01:00
History, 01.12.2020 01:00
English, 01.12.2020 01:00