Physics, 30.11.2019 04:31, sairaanwar67
Energy is to be stored in a flywheel in the shape of a uniform solid disk with a radius of r = 1.22 m and a mass of 67.0 kg . to prevent structural failure of the flywheel, the maximum allowed radial acceleration of a point on its rim is 3510 m/s2 .what is the maximum kinetic energy that can be stored in the fly-wheel?
Answers: 2
Physics, 22.06.2019 05:30, trevorhenyan51
Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?
Answers: 2
Physics, 22.06.2019 09:00, celestemaria0727
For which pair of objects would adding the same a
Answers: 1
Physics, 22.06.2019 10:40, rainbowboi
As you are trying to move a heavy box of mass m, you realize that it is too heavy for you to lift by yourself. there is no one around to , so you attach an ideal pulley to the box and a massless rope to the ceiling, which you wrap around the pulley. you pull up on the rope to lift the box. use g for the magnitude of the acceleration due to gravity and neglect friction forces. once you have pulled hard enough to start the box moving upward, what is the magnitude f of the upward force you must apply to the rope to start raising the box with constant velocity? express the magnitude of the force in terms of m, the mass of the box.
Answers: 1
Energy is to be stored in a flywheel in the shape of a uniform solid disk with a radius of r = 1.22...
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