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During the spin cycle of your clothes washer, the tub rotates at a steady angular velocity of 33.1 rad/s. Find the angular displacement of the tub during a spin of 60.7s, expressed both in radians and in revolutions._______rad________revolutions
A simple model of the Earth includes a dense spherical core of radius 4200 km and a less dense spherical shell of thickness 2180 km, determine the rotational kinetic energy of Earth
a uniform cylindrical turntable of radius 2.00 m and mass 26.8 kg rotates counterclockwise in a horizontal plane with
Two train cars are on a straight, horizontal track. One car starts at rest and is put in motion with a constant acceleration of 1.01 m/s2. Where will the cars collide
A mass of 500 g is resting on a vertical spring with a force constant of 55 N/m. What is the amplitude of the resulting oscillations
Cliff and Will are carrying a uniform 2.0m board of mass 74kg. Will is supporting the board at the end while cliff is 0.6m from the other end, Find the normal forces exerted by Cliff and Will
A certain peculiar spring is found not to conform to Hooke's Law. Compute the work done in stretching the spring from x = 0.5 m to x = 1.0 m
A 120-V motor has mechanical power output of 2.50 hp. It is 90% efficient in converting power that it takes in by electrical transmission into mechanical power. Find the current in the motor
Electronics and inhabitants of the International Space Station generate a significant amount of thermal energy that the station must get rid of. How much power is radiated from each panel
According to the shop manual, when drilling a 11.8mm--diameter hole in wood, plastic, or aluminum, a drill should have a speed of 1400 rev/min. Find the maximum radial acceleration of any part of the bit
A tennis ball of mass = 0.068kg and speed = 21m/s strikes a wall at a 45 degree angle and rebounds with the same speed at 45 degrees. What is the magnitude of the impulse given to the ball
A slab of marble is resting on the ground. It weighs 600 N and has the dimensions 0.1m x 0.2m x 1.0m. What is the greatest pressure that the slab can exert on ground.
A trap door, of length and width 1.65 m, is held open at an angleof 65.0 degree with respect to the floor. what is the torque exerted on the trap door by the rope
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