Physics, 04.03.2021 19:40 reaperqueen21
5
The law of conservation of energy tells us that energy in a system is conserved. This means that the energy doesn't disappear, it's simply transformed into another form of energy or
transferred from one object to another. In the case of this simulation, the girl and her skateboard and the halfpipe are considered the system". How is the energy in this system
"conserved? If the total energy never changes, what happens to it? Be specific and explain which energy transforms into which energy. This should be detailed and in complete
sentences.
Repeat the previous instructions - playing the skater with the friction half way between "none" and "a lot as many times as needed to help you understand how to answer
Answers: 1
Physics, 22.06.2019 00:30
Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?
Answers: 1
Physics, 23.06.2019 06:00
Aforklift raises a box above the floor and does 2,000 j of work. if the forklift motor consumes 3,000 j of electrical energy from the battery to raise the box, what is the efficiency of the lift?
Answers: 2
Physics, 23.06.2019 06:50
The results of huy's eye exam show that he is nearsighted. which explanation should huy expect to hear? "you need convex lenses to shorten the distance that light takes to focus in your eyes." "you need concave lenses to shorten the distance that light takes to focus in your eyes." "you need convex lenses to lengthen the distance that light takes to focus in your eyes." "you need concave lenses to lengthen the distance that light takes to focus in your eyes."
Answers: 1
Physics, 23.06.2019 08:30
Aproper cool-down routine does which of the following? a). motivates you for your next workout b). the body adjust back to a resting state c). leaves you feeling worn-out d). strengthens muscles
Answers: 3
5
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