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How much work should be done to accelerate a baton from rest to an angular speed of 7.7 rad/s about its center. Think the baton to be a uniform rod of length 0.63m and mass 0.54kg.
A cylinder of gas with a movable piston contains 1.0 x 10^-3 m^3 of helium at -100.0 degrees C. The piston area is 4.8 cm^2 and it has a 5.0-kg mass. How much heat transfer occurs
A metal ball with a mass of 3.81·10-6kg and a charge of +5.21 mC has a kinetic energy of 4.77·108J. how close will it come to the plane before stopping
This problem is in a beaker. The large container shown in the picture above is filled with a liquid of density 1.1E3 kg/m3. A small hole of area A=2.5E-6 m2 is open in the side of the container a distance h below the liquid surface, which allows a..
A car of 1200 kg mass enters an unbanked, curved roadbed of radius 70 m. find the maximum speed with which the car can take the turn
A 63.7-kg canoeist stands in the middle of her canoe. The canoe is 3.9 m long, and the end that is closest to land is 2.5 m from the shore. What is the canoe's mass
Assume charge builds up on the cloud and on the ground until a uniform electric field of 4.00 multiplied by 106 N/C throughout the space between them makes the air break down, What is the maximum charge the cloud can hold
A parallel-plate capacitor in air has a plate separation of 1.50 cm and area of 25.0 cm^2. find the charge on the plates before and after immersion
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of water. It takes a time of 2.30s for the boat to travel from its highest point to its lowest, a total distance of 0...
Potassium has a work function of 2.21 eV. What is the maximum kinetic energy of electrons escaping from a sample of potassium if photons of frequency 6.00×10 14 Hz strike it?
Flywheels are large, massive wheels used to store energy. How long does it take the flywheel to reach top speed
A tennis ball initially moves with a velocity of 28.0 m/s horizontally to the right. A tennis racketstrikes the ball, giving it a velocity of 28.0 m/s to the left. Treat the collision as elasticand the ball and racket as particles of mass 0.0580 k..
An electron that has an energy of approximately 23 eV moves between rigid walls 1.8 nm apart. Find the precise energy of the electron
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