Physics, 14.04.2021 14:30 davidrodriguez122001
John puts his ear to a metal railing: Jenny, knocks a connected metal railing 30 m away from john Explain why John hears two sets of sounds.
Answers: 3
Physics, 22.06.2019 03:30, 1074885
The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared
Answers: 1
Physics, 22.06.2019 06:30, mehokkj
Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?
Answers: 1
John puts his ear to a metal railing: Jenny, knocks a connected metal railing 30 m
away from john E...
Mathematics, 06.07.2019 07:30
History, 06.07.2019 07:30