Answers: 2
Physics, 21.06.2019 21:00, jjxt126
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 23:10, lukevader311
What was the purpose of the apollo program? to put a man in orbit to launch a spy satellite to launch a space station to put man on the moon
Answers: 1
Physics, 23.06.2019 02:30, cameronking019
Which phrase describes the paleo-indians of prehistoric arkansas? a. grew cornb. lived in cliff dwellings c. crafted beautiful potteryd. hunted with stone-tipped spearswhich phrase describes native arkansas from the woodland traditiona. developed widespread agricultureb. hunted mastodon and woolly mammothc. built rectangle-shaped homesd. traded salt with other groups
Answers: 2
Definition of an electrically charged object...
Mathematics, 04.10.2021 14:50
Mathematics, 04.10.2021 15:00
Biology, 04.10.2021 15:00
English, 04.10.2021 15:00
Chemistry, 04.10.2021 15:00