Physics, 13.09.2019 01:10 lukaslinder3529
Some special vehicles have spinning disks (flywheels) to store energy while they roll downhill. they use that stored energy to lift themselves uphill later on. their flywheels have relatively small rotational masses but spin at enormous angular speeds. how would a flywheel’s kinetic energy change if its rotational mass were 3 times larger but its angular speed were 3 times smaller?
Answers: 2
Physics, 22.06.2019 23:00
Imagine an isolated positive point charge q (many times larger than the charge on a single proton). there is a charged particle a (whose charge is much smaller than charge q) at a distance from the point charge q. on which of the following quantities does the magnitude of the electric field created by charge q at particle a's position depend? check all that apply.the type of the charge on the charged particle athe relative orientation between q and a (while the distance between q and a is fixed)the specific location of the charged particle a (while the distance between q and a is fixed)the amount of the charge on the point charge qthe specific location of the point charge q (while the distance between q and a is fixed)the distance between the point charge q and the charged particle athe amount of the charge on the charged particle a
Answers: 3
Physics, 23.06.2019 00:00
The horizontal blue line through the middle of the lens is called the optical axis. as the lamp is moved above or below the axis, keeping the horizontal distance to the center of the lens constant, how does the horizontal distance from the lens to the image change?
Answers: 2
Physics, 23.06.2019 00:00
Why should the wavelength scale of spectroscope be calibrated
Answers: 2
Some special vehicles have spinning disks (flywheels) to store energy while they roll downhill. they...
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