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a solid cylinder is rolling down an incline without slipping over a vertical distance of 3m. Assuming no losses to friction, what is the speed of the cylinder at the bottom of the incline if it started from rest?
A hockey puck has a mass of 0.116 kg and is at rest. A hockey player makes a shot, exerting a constant force of 27.5 N on the puck for 0.16 s. With what speed does it head toward the goal
A uniform disk of mass m=0.400 kg and radius R=20.0 cm is pinned to the wall near its rim. Find the angular frequency of oscillation if the disk is set swing back and forth
Calculate the irradiance on earth due to radiation from the sun
An insulated Thermos contains 131 cm3 of hot coffee at 82 °C. You put a 12g ice cube at its melting point to cool the coffee. By how many degrees has the coffee cooled once the ice has melted and equilibrium is reached? Treat the coffee as though ..
A simple pendulum has a mass of 0.650 kg and a length of 2.00 m. It is displaced through an angle of 7.0° and then released. What is the maximum speed of the bob
Rusting of an iron nail is an example of a change of phase, true or false? This seems like a tricky question, because it is a chemical change-but would that be considered a change of phase?
A person stands on a scale in an elevator. As the elevator starts, the scale has a constant reading of 588 N. Determine the weight of the person
Two long parallel wires, each carrying a current of I = 4.0 A in the same direction, What is the magnitude of the Magnetic force per unit length between the wire
A cube of iron, of side length 14cm, is heated from 10?C to 90?C; Calculate the total work done ON the cube and the change in internal energy of the cube
In a bizarre experiment devised by a physics teacher and an industrial arts teacher at a local high school, Find the mass of ethylene glycol m_c in kilograms to three significant digits
An object sits on a wheel 0.30 m from its axle. The wheel's rotational speed decreases from 4.0 rad/s to 2.0 rad/s in 5.0 s. determine the wheel's average rotational acceleration
1.calculate the orbital radius of the hydrogen atom for the second principal quantum number.2.calculate the orbital
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