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A small rubber wheel on the shaft of a bicycle generator presses against the bike tire and turns the coil of the generator at an angular speed that is 42 times as great as the angular speed of the tire itself. Every tire has a radius of 0.306 m. The coil consists of 129 turns, has an area of 3.53 10-3 m2, and rotates in a 0.0810-T magnetic field. The bicycle starts from rest and has an acceleration of +0.525 m/s2. What is the peak emf produced with the generator at the end of 5.39 s?
Explain what are the priorities: more charges or more energy stored in batteries used to propel cars or even light planes. What are the current limitations
a 360 nm thick oil film floats on the surface of the water. the indices of refraction of the oil and the water are 1.50
A bowling ball weighing 71.2 is attached to the ceiling by a 3.80 rope. The ball is pulled to one side and released; it then swings back and forth like a pendulum. As the rope swings through its lowest point, the speed of the bowling ball is measured..
Two masses, m1 and m2 are connected by a cord and hang straight down from either side of a light frictionless pulley. What is the acceleration of the system
A long horizontal hose of diameter 3.2 cm is connected to a faucet. At the other end, there is a nozzle of diameter 1 cm. What is the velocity of the water in the hose
One way to measure on another planet or moon by remote sensing is to measure how long it takes an object to fall a given distance. A lander vehicle on a distant planet records the fact that it takes 3.17 for a ball to fall freely 11.26.
An object has a weight of 4.5N in air, 3.4N in water and 3N in a salt solution. If the density of the water is 1000km m^-3, what is the density of the salt solution
The drawing shows a wire composed of three segments, AB, BC, andCD. There is a current of I = 2.9A in the wire. There is also a magneticfield B (magnitude= 0.24 T) that is the same everywhere and pointsin the direction of +z axis.
The electric field between the plates of a parallel-plate capacitor is horizontal, uniform and has a magnitude E. What is the mass of the object
A ski lift carries 900 skiers per hour up a slope with a constant incline of 15 degrees and a vertical drop, How much power is required to run the lift
You have been given 4.4584807 g of copper from which you are to fashion a wire whose resistance is 1.2941073 ohms. What will the diameter of the wire be that you fashion
An airplane with a speed of 40 m/s isclimbing upward at an angle of 52°with respect to the horizontal. When the plane's altitude is840 m, the pilot releases a package. Calculate the distance along the ground,measured from a point directly beneath ..
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