Physics, 15.03.2020 09:31 robinsonchristopher0
A solid cylinder of mass 20kg rolls without slipping down a 30° slope. Find the acceleration and the frictional force needed to prevent slipping. (g=9.8m/s^2)
Answers: 3
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The slope of a good speed time indicates ? a. velocity b. acceleration c. direction d. speed
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Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?
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The force it would take to accelerate an 900-kg car at the rate of 6m/s2
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Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. what is the best explanation of the relationship between wavelength and wave energy? a) wave energy is related only to frequency, not wavelength. b) longer wavelengths have lower frequencies but higher energy. c) the shorter the wavelength, the lower the frequency and the higher the energy. d) the shorter the wavelength, the higher the frequency and the higher the energy.
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A solid cylinder of mass 20kg rolls without slipping down a 30° slope. Find the acceleration and the...
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