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A circular coil of 20 turns and radius 5 cm is placed with its plane oriented 90 degrees to a uniform magnetic field of 0.1T. The field is now increased at a steady rate, reaching a value of 0.5T after 4.0 seconds?
A) What emf is induced in the coil?
B) IF THE RESISTANCE OF THE COIL IS R=0.2. CALCULATE THE INDUCED CURRENT WE CAN GET?
A 68.0-O resistor is connected in series with a 76.0-µF capacitor and a generator having a maximum voltage of 1.20 102 V and operating at 60.0 Hz
For a certain block on a spring, the block's displacementx = X sin() and its velocity v = X cos(), with X = 0.57 m. If the block has a mass of 0.19kg and the spring constant is 55 N/m, calculate the total energywhen = 44°.
Suppose you are riding a stationary exercise bicycle, and the electronic meter indicates that the wheel is rotating at 11.7 rad/s. how far would you have gone if the bike could move
During each cycle a reversible engine absorbs 2550 Joule of heat from a high-temperature reservoir and performs 2100 Joule of work. Find how much heat is exhausted to the low-temperature reservoir during each cycle
An intergalactic rock star bangs his drum every 1.70s. A person on earth measures that the time between beats is 2.5s. How fast is the rock star moving relative to earth.
A screw with 15 threads per centimeter is driven 1.01 cm into its fixture in 11.2 s with a cordless electric screwdriver. What is the average angular speed of the screwdriver
However the captain of one ferry hears the sound at a frequency of 348Hz, while the captain of the other ferry hears it at a frequency of 347Hz. Find the speed of each ferry. At what distance between the ferries is the sound intensity 82db?
An electron is accelerated inside a parallel plate capacitor. The electron leaves the negative plate with a negligible initial velocity and then after the acceleration it hits the positive plate with a final velocity. Determine the final velocity ..
A solid sphere and a solid cylinder with the same mass and radius roll down an inclined plane without slipping. Which one will reach the bottom of the incline first. Explain why. Assume friction is negligible for both.
A satellite orbits a planet of unknown mass in a circle of radius 2.0*10^7m?The magnitude of the gravitational force on the satellite from the planet is 74 N. What is the kinetic energy of the satellite in this orbit
1 the blades in a blender rotate at a rate of 6540 rpm. when the motor is turned off during operation the blades slow
A car is traveling at 50.0 mi/h on a horizontal highway, What is the stopping distance when the surface is dry and µs = 0.601
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