Physics, 13.11.2019 19:31, Hoeing3195
You have an evacuated, iron spherical shell and want to know how thick the shell wall is. however, you cannot cut open the iron shell to measure the thickness of the wall. the ball just floats once completely submerged in water, and you measure the outer diameter to be 58.7 cm. if the density of iron is 7.87 g/cm3, what is the thickness of the wall?
Answers: 2
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Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational
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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?
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