Physics, 28.11.2019 01:31 mefordeatth212
The tub within a washer goes into its spin cycle, starting from rest and reaching an angular speed of 13 π rad/s in 6.6 s. at this point, the lid is opened, and a safety switch turns off the washer. the tub slows to rest in 12.2 s. through how many revolutions does the tub turn? assume constant angular acceleration while the machine is starting and stopping. answer in units of rev.
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Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?
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The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e
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In the united states, tornadoes generally occur because of the freezing of ocean water underwater earthquakes meeting of cool and warm air masses shifting of warm and cool ocean currents
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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.
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The tub within a washer goes into its spin cycle, starting from rest and reaching an angular speed o...
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