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Starting from rest, a 10.69 centimeter diameter compact disk takes 4.8 second to reach its operating angular velocity of 1866 rpm. Suppose that the angular acceleration is constant. The disks moment of inertia is 1.00×10-5 kg•m2. Evaluate how much torque is applied to the disk?
Find how many revolutions does it make before reaching full speed?
A submarine is 300 m horizontallyout from the shore and 143 m beneaththe surface of the water. A laser beam is sent from the sub so thatit strikes the surface of the water at a point 232 m from the shore. If the beam just strikes thetop of a build..
a constant horizontal force f of magnitude 15 n is applied to a block a of mass 3.0 kg which is pushed against block b
A proton and an alpha particle (charge = 2e, mass = 6.64 10-27 kg) are initially at rest, separated by 3.20 10-15 m. Find the speeds of the proton and alpha particle
Some enterprising physics students working on a catapult decide to have a water balloon fight in the school hallway. At what angle must they be launched to just graze the ceiling
A 1100-kg sports car (including the driver) crosses the rounded top of a hill (radius = 85.0 m) at 23.0 m/s. Determine the normal force exerted by the road on the car
A particle with charge +3 nC is located at position A. Another particle with charge -4 nC is located at position B. What is the magnitude of the electric field at location B
A hollow spherical shell with mass 2.00 kg rolls without slipping down a 38.0 degree slope, find the friction force on it
A metallic hoop of radius 0.5m is perpendicular to a magnetic field into the page. What direction is the current induced in the hoop
Two astronauts on opposite ends of a space ship are comparing lunches. One has an apple, the other has an orange. What is the final speed and direction of the apple in this case
A top loading washing machine has a spin cycle that rorates at frequency f. The spinning drum that holds the clothes has a radius R, Find an expression for the magnitude of the wall's normal force acting on the piece of clothing as the drum spins
If material increases its length by 4.2% when its temperature is raised 40 degrees C, then what is its coefficient of linear expansion
Two blocks are connected by a rope that passes over a set ofpulleys. One block has a weight of 908N. What is the acceleration of the lighter block
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