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An electric motor turns a flywheel through a drive belt that joins a pulley on the motor and a pulley that is rigidly attached to the flywheel as shown in the figure below. The flywheel is a solid disk with a mass of 61.0 kg and a radius R = 0.625 m. It turns on a frictionless axle. Its pulley has much smaller mass and a radius of 0.230 m. The tension Tu in the upper (taut) segment of the belt is 169 N, and the flywheel has a clockwise angular acceleration of 1.67 rad/s2. Find the tension in the lower (slack) segment of the belt.
Ricardo of mass 80 kilogram, and Carmelita, who is lighter, is enjoying Lake Merced at dusk in a 30 kilogram canoe. Determine what is Carmelita mass
if i drop a 0.2kg ball from a height of 2m onto the floor and it bounces back to a height of 1.6m. how much energy did
Lasers have been used to suspend spherical glass beads in the Earth's gravitational field. What is the minimum power required for this laser
question1a 4.7-g object moving to the right at 38 cms makes a flexible head-on collision with a 9.4-g object that is
A proton is moving with an initial velocity of 6.28 x 10^5 m/s straight towards a large conducting sphere of radius 85.2 cm. What is the voltage on the surface of the sphere
Estimate the total amount of U-235 needed to operate a 600. MWreactor for one year assuming e = 40% and that each fission produces 200. MeV. Find the Energy needed in Joules per year and Fissions needed per year to produce the energy?
A child complains that her 160 g of milk is too hot at 90 degree C. She then pour 80 g of cold milk at 7 degree C in it. If the specific heat of milk is 3800 J/kg.K, what is the temperature of the mixture?
An airplane is flying during a thundercloud at a height of 1800 m. If a charge concentration of +60.0 C is above the plane at a height of 3000 m within the cloud and a charge concentration of -40.0 C is at height 1300 m, what is the electric field at..
A projectile of mass 0.605 kg is shot straight up with aninitial speed of 18.3 m/s. (a) How high would itgo if there were no air resistance? (b) If theprojectile rises to a maximum height of only 7.02 m, determine the magnitude of the average force d..
The potential difference between the plates of a parallel capacitor is 35 V and the electric field between the plates has a strength of 750 V/m
The rms speed of the molecules in 1.4g of hydrogen gas is 1700m/s. What is the thermal energy of the gas? What is the total translational kinetic energy of the gas molecules?
A storage tank 25 m hight is filled with gasoline. Calculate the force that acts on a square access hatch atthe bottom of the tank that measures 0.25m by 0.25m
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