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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 6.50m above the base of the hill. We can model this ball as a thin-walled hollow sphere.
At what rate was it rotating at the base of the hill?
How much rotational kinetic energy did it then have?
What is an electric field between the plates? Towards which plate is it directed.
A man slides along a long water slide and then being launched into the air to land in a water pool. Find the magnitude of the velocity at launch
The starship Enterprise speeds by you at a speed of 0.960c. It is measure in your frame to be 100 m long. What will be it's length at rest
A satellite orbits at a distance from the Earth's center of about 7.20 Earth radii, What distance (in meters) does the satellite travel in one day
Two equal, but oppositely charged particles are attracted to each other electrically. evaluate the magnitude of the charges
Parallel light from a distant object strikes the large mirror in the figure and is reflected by the small mirror that is 2.528 m from the large mirror, What is the radius of curvature of the smaller mirror
A wire carries current to the north (towards the top of the computer screen) through a magnetic field. what is the direction of the magnetic force on the current-carrying wire
Neglect air resistance during the descent. She comes to rest 3.00 m under the surface of the water. Identify the average force that the water exerts on the diver. This force is nonconservative.
Calculate the verage speed and time lead by the runner using the definition of average speed.
The Young's modulus (for compression) for a section of compact bone in the femur is 10 GPa. what strain results from this compression
A 1.0-kg ball has a velocity of 12 m/s downward just before it strikes the ground and bounces up with a velocity of 12 m/s upward. What is the change in momentum of the ball
A coil of wire with 80 turns and a cross-sectional area of .03m^2 lies perpendicular to a magnetic field of magnitude 1.5T. what is the average value of the voltage induced in the coil
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