Compare and contrast linear and rotational speed
Compare and contrast linear and rotational speed. Where does a penny on a record player have the greatest linear speed? Why? Where does it have the greatest rotational speed? Why? What kind of speed would this penny have at the center?
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at what value of the distance d should a driver locate his car if he wishes to stay on a circular path without depending on friction?
A 60 turn coil of radius 4.8 cm rotates in a uniform magnetic field having a magnitude of 0.51 T. If the coil carries a current of 35 mA, find the magnitude of the maximum torque exerted on the coil
Suppose a salmon swimming in still water jumps out of the water with a speed of 6.26 m/s at an angle of 45°, sails through the air a distance L before returning to the water, and then swims a distance L underwater at a speed of 3.58 m/s before
The developed photograph will show a halo around the image of the spot. If the glass plate is 3.30 thick and the halos have an inner radius of 5.68 , what is the index of refraction of the glass.
Bonnie and Clyde are sliding a 291 kg bank safe across the floor to their getaway car. The safe slides with a constant speed if Clyde pushes from behind with 375 N of force while Bonnie pulls forward on a rope with 329 N of force. What is the safe
Two people with a combined mass of 120 kg hop into an old car with worn-out shock absorbers. This causes the springs to compress by 8.30 cm. When the car hits a bump in the road, it oscillates up and down with a period of 1.70 s.
Determine the current in the wire. (b) If the wire is heated to 30.0°C while the 9.0-V potential difference is maintained, what is the resulting current in the wire.
What is the smallest thickness of a soap film (n=1.38) that would appear black if illuminated with 510 light? Assume there is air on both sides of the soap film.
A particle with a mass of 2.00e-16 kg and a charge of 29.0 nC starts from rest, is accelerated by a strong electric field, and is fired from a small source inside a region of uniform constant magnetic field 0.710 T. The velocity of the particle is
A barefoot field-goal kicker imparts a speed of 40 m/s to a football initially at rest. If the football has a mass of 0.43 kg and the time of contact with the ball is 0.029 s, what is the force exerted by the ball on the kicker's foot?
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