Physics, 15.01.2020 00:31, BlehBlehBlehBleh
Ahorse canters away from its trainer in a straight line, moving 160m away in 17s. it then turns abruptly and gallops halfwayback in 6.8s. calculate the (a) its average speed and (b) its average velocity for the entire trip, using "away from the trainer"as the positive direction.
Answers: 1
Physics, 22.06.2019 09:00, atsuedem974
Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic
Answers: 2
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
Ahorse canters away from its trainer in a straight line, moving 160m away in 17s. it then turns abru...
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