Physics, 22.04.2020 02:17 ashleypere99
For the same setup as in the previous question, what is the rotational kinetic energy of the spinning cube after the string unwinds L=0.30m? Use Energy methods. Be careful with this problem. Both the spinning cube picks up kinetic energy as it spins up and the hanging mass gains kinetic energy as the string unwinds. Rotational kinematics will be necessary e. g.
Answers: 2
Physics, 21.06.2019 19:30
Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.
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Physics, 22.06.2019 07:40
An object's buoyant force and weight mean the same thing.a. trueb. false
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Physics, 22.06.2019 13:20
Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.
Answers: 1
Physics, 22.06.2019 15:00
Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost
Answers: 1
For the same setup as in the previous question, what is the rotational kinetic energy of the spinnin...
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