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A solid sphere and a solid disk of the same mass and radius are rolling wihtout slipping at the same speed.
A. What is the ratio of their kinetic energies?
B. What is the ratio of their angular momentum (measured about axis of rotation)?
Water flows out of a shower in a typical house at a rate of 20 liters/min. what is the difference between the pressure in the tank and atmospheric pressure
A cylinder of radius 25 cm is filled with an ideal fluid, If the height of the two cylinders is exactly the same, what mass should be placed on the second cylinder to balanced the system
A portable electric heater uses 14 Amp of current. What is the smallest radius of copper wire that can be used in the extension cord
Two 10-cm-diameter charged rings face each other, 18.0cm apart. Both rings are charged to + 50.0nC . What is the electric field strength at the center of the left ring
A person is standing in an elevator that is stationary. What is the weight of the person when the velocity is 3 m/s upward and the acceleration is 2 m/s^2 downward
A moving body undergoes uniform acceleration while travelling in a straight line between points X, Y and Z. The distances XY and YZ are both 40m. The time to travel from X to Y is 12s and from Y to Z is 6s.
An ice-cube tray of negligible mass contains 0.350 kg of water at 18.0°C. How much heat must be removed to cool the water
A solid disk (mass = 5 kg, R=0.6 m) is rolling across a table with a translational speed of 9 m/s. What is the total kinetic energy of the disk
A pencil is held perpendicular to the optical axis of a concave spherical mirror. The pencil is 85 cm from the center of the mirror, What is the magnification of the pencil's image
A constant net force of 75N acts on an object initially at rest as it moves through a parallel distance of 0.60m. What is the final kinetic energy of the object
How much work is completed by the system in this process. Determine the increase in entropy produced by the parachutist; assume the air temperature is 21 degrees C. How much work is completed by the system in this process.
A resistor is connected across the terminals of a 9 V battery, which delivers 1.27E+5 J of energy to the resistor in 8.00 hours
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