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The wheel of a car has a radius of .350 m. the engine of the car applies applies a torque of 295 N m to this wheel, which does not slip against the road surface. since the wheel does not slip the road must be appplying a force of static friction to the wheel that produces a countertorque. moreover, the car has a constant velocity so this countertorque balances the applied torque. what is the magnitude of the static frictional force?
monochromatic light is normally incident on one face of a prism with a right triangle for a base. the light travels through the prism such that it strikes the hypotenuse of the triangle from inside.
A solenoid of radius 2.3 cm has 450 turns and a length of 24 cm. Find the rate at which current must change through it to produce an emf of 80 mV
An elevator is moving upward at 1.07 m/s when it experiences an acceleration 0.30 m/s2 downward, over a distance of 0.71 m. What will its final velocity be
A lens with a focal length of 60cm is sitting 90cm in front of a lens of focal length 40cm. where is the final image formed
The cable lifting an elevator is wrapped around a 1.0-m-diameter cylinder that is turned by the elevator's motor. How long does it take for the elevator to stop
An isolated conductor of arbitrary shape has a net charge of +1.10×10-5 C. Inside the conductor is a cavity within which is a point charge q = +4.40×10-6 C. obtain the charge on the outer surface of the conductor
What's the quickest way to approach this problem? A car is traveling at 80 km/h along the highway. How long does it take for the second car to pass the first
A particle has an acceleration of 6.19 m/s^2 for 0.350 s . At the end of this time the particle's velocity is 9.26 m/s What was the particle's initial velocity?
an electric doorbell requires a 12v 60 hz ac supply. awhat turn ratio is required on a transformer to operate from a
A hydrogen molecule with an initial velocity of 1200m / s makes a collision with a molecule of oxygen at rest. The reason for the masses of molecules is mO / mH = 16. What are the speeds of the molecules after collision.
A flywheel in a motor is spinning at 530 rpm when a power failure suddenly occurs. The flywheel has mass 40.0kg and diameter 75.0cm. how many revolutions would the wheel have made during this time
while unloading furniture, a worker slides a heavy box down the ramp on the rope. find the mass of the box
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