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Cloverleaf exits are approximately circular. A 740 kg automobile is traveling 60 mph while taking a cloverleaf exit that has aradius of 44.5 m. Calculate thecentripetal acceleration of the car and the centripetal force onthe car. Remember that 1 mph = 0.447 m/s.
A 65kg ice skater standing on frictionless ice throws a .15 kg snowball horizontally at a speed of 32m/s. At what velocity does the ice skater move backwards
A toroidal solenoid has a mean radius of 11.0 cm and a cross-sectional area of 5.00 cm2 and is wound uniformly with 100 turns. A second coil with 500 turns is wound uniformly on top of the first. What is the mutual inductance of these coils.
How many cubic centimeters are in a cubic kilometer? The speed of sound in air at sea level is around 340m/s. Express this speed in mi/hr. The speed of light in a vacuum is about 3108m/s. Express this speed in both mi/hr and miles per second.
An open-tube mercury manometer is used to measure the pressure in an oxygen tank. When the atmospheric pressure is 990 mbar, what is the absolute pressure (in Pa) in the tank if the height of the mercury in the open tube is 27.0 cm higher than the..
q1. a swimming pool has dimensions 50.0 m multiplied by 15.0 m and a flat bottom. when the pool is filled to a depth of
A particle of mass 0.350 kg is attached to the 100-cm mark of a meterstick of mass 0.125 kg. Calculate the angular momentum of the system when the stick is pivoted about an axis perpendicular to the table through the 50.0-cm mark
A 54.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is one-quarter of a circle with a radius of 3m. What speed does he need at the bottom?
a heat engine absorbs 120 j of heat from the hot reservoir and releases 60 j of heat to the cold reservoir during each
A space capsule measures the radiation pressure p1 a distance r1 from the center of a spherical light source. what will be the radiation pressure measures
The temperature of 3.25 mol of an ideal diatomic gas is increased by 23.5 ?C without the pressure of the gas changing. By how much does the rotational kinetic energy of the gas increase
A metal sphere has a charge of +6.9uc. What is the net charge after 7.6x10^13 electrons have been placed on it
A small bulb is rated at 7.5 W when operated at 125 V. The tungsten filament has a temperature coefficient of resistivity a = 4.5 ? 10-3 / °C. What is the resistance of the filament (in ohms) at room temperature
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