Physics, 21.04.2021 20:00 tingzontumbler9061
Once potential energy is lost on a roller coaster it cannot be gained all the way back true or false
Answers: 3
Physics, 21.06.2019 14:40
Using the given data table, calculate the acceleration of the skateboarder. you can use either form of the equation below?
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Physics, 22.06.2019 10:40
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
Physics, 23.06.2019 17:00
Which kind of wave would be observing in outer space between planets where there is little matter
Answers: 3
Once potential energy is lost on a roller coaster it cannot be gained all the way back true or false...
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