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A size-5 soccer ball of diameter 22.6 cm and mass 426 g rolls up a hill without slipping, reaching a maximum height of 7.00 m 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?
a) calculate E1' and E2', the lorentz transformations of E1 and E2 b) calculate the distances E1E2 and E1'E2' with the four dimensional scalar product of the time position vector within itself
The magnetic field due to a 2-A current flowing in a long, straight wire is 8 %u03BCT at a point P, a certain distanceaway from the wire
The wheels of a wagon can be approximated as the combination of a thin outer hoop, of radius rh = 0.315 m and mass 4.89 kg, what should the radius of the disk be
An inductor, a capacitor, and a 64.0-? resistor are connected in series with an AC generator; what is the average power output of the generator
Calculate the energy and velocity of the a-particle - prove that the final energy of the a-particle is given by
The Hall voltage across a conductor in a 44mTmagnetic field is 1.9?V. What is the strength of the second field
A 0.2-kg steel ball is dropped straight down onto a hard, Determine the magnitude of the impulse delivered to the floor by the steel ball
A 9 V battery is rated at 80 Ah. It can deliver a current of 80 A for one hour, or a current of 40 A for 2 hours, etc. What is the total energy stored in the battery
The hydrogen alpha emission spectra has a 658.28 nanometer wavelength. What is the red-shifted wavelength of hydrogen alpha light from the bootes galaxy cluster
Older freezers developed a coating of ice inside that had to be melted periodically; an electric heater could speed this defrosting process. What is the resistance of the wire
When a hammer strikes a nail, it is compressed along its length. Suppose that a steel nail 10.00 cm long and 3.00 mm in diameter is compressed an average of 65.0 µm by a 0.415 kg hammer during a 1.20 ms collision
A 1200 turn coil in a dc motor has an area per turn of 1.1 * 10-2m-2. What is the current in the coil
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