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What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration
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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
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Physics, 23.06.2019 08:30
Look at the electroscope, describe how you can cause the two leaves at the bottom to repel each other and stay that way
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Physics, 23.06.2019 12:50
Aspring with an unstrained length of 0.071 m and a spring constant of 2.6 n/m hangs vertically downward from the ceiling. a uniform electric field directed vertically upward fills the region containing the spring. a sphere with a mass of 5.29 10-3 kg and a net charge of +7.2 µc is attached to the lower end of the spring. the spring is released slowly, until it reaches equilibrium. the equilibrium length of the spring is 0.058 m. what is the magnitude of the external electric field?
Answers: 1
What are two ways in which friction can be useful?...
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