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An electric motor rotating a workshop grinding wheel at a rate of 1.10 102 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 2.10 rad/s2.
(a) How long does it take for the grinding wheel to stop?
_____ s
(b) Through how many radians has the wheel turned during the interval found in (a)?
_____ rad
Calculate the speed of a proton after it accelerates from rest through a potential difference of 160.
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A two-slit interference experiment is set up, and the fringes are displayed on a screen. How does the fringe pattern change
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The membrane surrounding a living cell consists of an inner and an outer wall that are separated by a small space. Assume that the membrane acts like a parallel plate capacitor in which the effective charge density on the inner and outer walls has..
A 3.9 kg stone is tied to a 5.8 m long string and swung around a circle at a constant angular velocity 1.7 1/s. Find the magnitude of the torque about the origin
a typical maximum acceleration for a car is about 8 m/s^2, A sports car traveling at 20m/s accelerates at this rate for 1.25 seconds
For a movie scene, a 75kg stuntman drops from a tree onto a 55kg sled that is moving on a frozen lake with a velocity of 15m/s toward the shore. What is the speed of the sled after the stuntman is on board
A motorcycle is traveling up one side of a hill and down the other side. Determine the maximum speed that the cycle can have
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