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A hollow spherical shell with mass 2.25 kilogram rolls without slipping down a slope that makes an angle of 30.0 degree with the horizontal.
a. Obtain the magnitude of the acceleration of the center of mass of the spherical shell. Take the free-fall acceleration to be g = 9.80 m/s2.
b. Obtain the magnitude of frictional force acting on spherical shell. Take the free-fall acceleration to be g = 9.80 m/s2.
The drive train of a bicycle includes wheels 67.3 cm indiameter and pedal cranks 17.5 cm long. Calculate the angular speed of the bicycle wheels
A 35 turn coil of radius 5.2 centimeter rotates in a uniform magnetic field having a magnitude of 0.45 T. determine the magnitude of the maximum torque exerted on the coil
A freezer is comprised of 1.80x1x0.5 m^3 volume, insulated with 5 cm thick Styrofoam. (1) At what rate should the compressor remove heat to maintain the inside at - 20 degrees Celsius with the outside at room temperature. (2) What is the R-value o..
A television repairman needs a 100 ohm resistor to repair a malfunctioning set. He is temporarily out of resistors of this value. How can he obtain the desired resistance using the resistors he has on hand
A factory worker pushes horizontally to the right on a 250 N crate with a force of P = 75.0 N on a horizontal rough floor. A 135 N crate rests on top of the one being pushed and moves along with it. Call the bottom crate {rm A} and the top crate {..
Suppose the temperature of 4.67 L of ideal gas drops from 354 K to 275 K. Find the number of moles of gas
A police van moving on a highway with a speed of 30 kmph fires a bullet of a theif's car speeding away in the same direction with a speed of 192 kmph.
Two point charges, Q_1 = -6.1 mu C and Q_2 = 2.0 mu C, are situated between two oppositely charged parallel plates. The two charges are separated by a distance of x = 0.30 m. suppose that the electric field produced by the charged plates is unifor..
A bowling ball of mass 7.10kg and radius 9.20cm rolls without slipping down a lane at 3.64m/s. Calculate its total kinetic energy
When light of wavelength 350 nm falls on a potassium surface, electrons having a maximum kinetic energy of 1.31 eV are emitted. determine the work function of potassium
A 140g coin sits on a horizontally rotating turntable. The turn table makes on revolution each 2 s. the coin is located 8.00 cm from the axis of rotation of the turntable. The acceleration of gravity is 9.81 m/s/s. what is the frictional force acting..
A Carnot cycle heat engine uses steam as the working fluid and has a thermal efficiency of 20%. calculate the work per kilogram of steam
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