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A size-5 soccer ball of diameter 22.6cm and mass 426g rolls up a hill without slipping, reaching a maximum height of 5.00 m above the base of the hill. We can model this ball as a thin-walled hollow sphere. How much rotational kinetic energy did it then have?
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A faulty model rocket moves in the xy-plane (the positive y-direction is vertically upward), Calculate the velocity vector as a function of time
A moon orbits a planet of unknown mass with a period of 1.8 days. If the radius of the moon's orbit is 420,000,000 meters, Determine the centripetal acceleration of the moon
Suppose the pressure of the gas equals to p=aV^2, where a is constant. Find the heat transfer to the gas during this process if this is a reversible change.
A rod is 0.5100 m long at 25C. At 225C the rod is loaded with a stress of 2 76 MPa and its length is found to be 0.5358 m, calculate the coefficient of thermal expansion for this material
A 0.88 kg mass attached to a vertical spring of force constant 196 N/m oscillates with a maximum speed of 0.40 m/s. Find the following quantities related to the motion of the mass.
two 1.3kg masses are 1.2m apart (center to center) on a frictionless table. Each has + 9.2?Cof charge, What is the magnitude of the electric force on one of the masses
A block with mass m =7.5 kg is hung from a vertical spring. When the mass hangs in equilibrium, the spring stretches x = 0.25 m. what is the magnitude of the net force on the block
A cubical Gaussian surface surrounds charges, q1=6.0 x 10-12C, What is the electric flux passing through the surface
In a model AC generator, a 497 turn rectangular coil 7.0 cm by 26 cm rotates at 123 rev/min in a uniform magnetic field of 0.61 T. What is the maximum emf induced in the coil
A wheel of radius 160 cm is has an angular velocity of 400 radians per minute. What is the linear velocity of the wheel in kilometers per hour
If the rectangular barge is 3.50m by 24.0m and sits 0.900m deep in the harbor, how deep will it sit in the river
M1 is a spherical mass (43.0 kg) at the origin. M2 is also a spherical mass (17.2 kg) and is located on the x-axis at x = 99.0 m. At what value of x would a 16.5-kg mass experience no net gravitational force due to M1 and M2?
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