Physics, 14.12.2019 06:31, baptistatm51976
An electron (m=9.11x10^-31 kg) moves in a circle whose radius is 2.00x10^-2 m. if the force acting on the electron is 4.60x10^-14 n, what is it's speed?
Answers: 1
Physics, 23.06.2019 02:00, juliashalnev
Objects a and b are visible in the night sky. six months later they are still visible, but object b shows less parallax than object a. which object is closer? a. a b. b c. you would need to wait another six months in order to figure this out. d. you would need to know the objects' angular diameters in order to figure this out.
Answers: 3
Physics, 23.06.2019 02:30, Braxtonw875
Atrain is traveling at 30.0 m/s relative to the ground in still air. the frequency of the note emitted by the train whistle is 262 hz. the speed of sound in air should be taken as 344 m/s. what frequency (f approach) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and approaching it? what frequency (f recede) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and receding from it?
Answers: 1
An electron (m=9.11x10^-31 kg) moves in a circle whose radius is 2.00x10^-2 m. if the force acting o...
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