You are jumping on a trampoline and it occurs to you that energy is being transferred as you bounce. like your usual thoughts, doesn't it? ) you realize that sometimes you do work on the trampoline and sometimes it does work on you. the time when you do work on the trampoline is(a) whenever you are touching its surface. (b) when you are touching its surface and that surface is moving downward. (c) when you are touching its surface and that surface is moving upward. (d) during the second half of the trampoline's movement downward and the first half of the trampoline's movement upward.
Answers: 3
Physics, 22.06.2019 03:30
Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n
Answers: 1
Physics, 22.06.2019 11:20
Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .
Answers: 3
Physics, 22.06.2019 14:30
When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?
Answers: 3
You are jumping on a trampoline and it occurs to you that energy is being transferred as you bounce....
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