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Physics, 21.06.2019 19:30
Which graph best represents the relationship between the electric current and the rate at which a magnet is turning inside an electric generator?
Answers: 3
Physics, 22.06.2019 11:30
Madison pushes with a 210-n horizontal force on a 24-kg crate of coffee resting on a warehouse floor. the force of friction on the crate is 74 n. what is the acceleration?
Answers: 1
Physics, 22.06.2019 20:30
Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3
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Physics, 22.06.2019 20:50
In a game of pool, ball a is moving with a velocity v0 of magnitude v0 = 15 ft/s when it strikes balls b and c, which are at rest and aligned as shown. knowing that after the collision the three balls move in the directions indicated and assuming frictionless surfaces and perfectly elastic impact (that is, conservation of energy), determine the magnitudes of the velocities va, vb, and vc.
Answers: 3
When does a body have a power of 1 watt...
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