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A solid, horizontal cylinder of mass 8.0 kg and radius 1.30 m rotates with an angular speed of 7.50 rad/s about a fixed vertical axis through its center. A 0.250-kg piece of putty is dropped vertically onto the cylinder at a point 0.900 m from the center of rotation and sticks to the cylinder. Determine the final angular speed of the system.
A rescue helicopter lifts a 91.2-kg person straight up by means of a cable. What is the tension in the cable
When a 47.0-V emf device is placed across two resistors in series, a current of 15.0 A is flowing in each of the resistors. find the magnitude of the larger of the two resistances
A patio swing is suspended by two springs, each of which has a force constant of 465 N/m, Find the mass of a person sitting on the swing oscillating up and down at a frequency of 0.515 Hz
A frictionless ramp is constructed so that it is at a 30 degree angle to the horizontal. It is 1.8 meters long and 0.9 meters high. How far along the rough patch do the blocks go before stopping
A 1,110-kg car traveling initially with a speed of 25.0 m/s in an easterly direction crashes into the rear end of a 8,900-kg truck moving in the same direction at 20.0 m/s, What is the velocity of the truck right after the collision
Assume that the coefficient of friction between your hands is 0.5, that the normal force between your hands is 35 N, What is the rate at which heat is generated
A weight of unknown mass is suspended from a steel wire that is 1.27 m long and has a diameter of 0.56 mm; Find the mass of the weight
Discuss the functions of a thermoflask in terms of conduction, convection, and radiation. What improvements would you add to a modern day thermoflask
An iron casting containing a number of cavities weighs 20052.8 N in air and 16121.0 N in water. What is the total volume of all the cavities in the casting
A beam of ultraviolet radiation, with frequency of 2.64x1015 Hz is directed on a clean metal surface. The work function of the metal is 3.40 eV. Calculate the maximum kinetic energy for an electron dislodged from the surface by the radiation.
how much time passes before the police car overtakes the speeder after the speeder passes (assumed moving at constant speed).
A student doing an experiment pours 0.160kg of heated copper shot into a 0.355-kg aluminum calorimeter cup containing 0.240kg of water. What was the initial temperature of the shot
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