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The armature of a simple ac generator has 20 circular loops of wire, each with a radius of 10 cm. It is rotated with a frequency of 60 Hz in a uniform magnetic field of 900 mT.
What is the maximum emf induced in the loops?
How often is this value attained?
If the time period in part B were cut in half, what would be the new maximum emf value?
During the first stage of its launch, a space shuttle goes from rest to 4956 km/hwhile rising a vertical distance of 45.0km . Assume constant acceleration and no variation in g over this distance. A)What is the acceleration of the shuttle?
Consider an LC circuit in which L = 470 mH and C = 0.102 µF. What is the resonance frequency and If a resistance of 1.30 k? is introduced into this circuit, what is the frequency of the damped oscillations
Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you find in part (a). Illustrate what should be the maximum speed of the car so it can round the curve safely?
A person opens a door by applying a 17 N force perpendicular to it at a distance 0.90m from the hinges. What was the average power delivered
A highway curve of radius 420 is designed for traffic moving at a speed of 100. What is the correct banking angle of the road
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. What is the mass of the wheel
The position of an object as a function of time is r? =(3.2t+ 0.90 t2)i^+(1.7t? 1.2 t2)j^m, Find the object's magnitude of the acceleration and What is the direction of the acceleration
What is the velocity of the beam of electrons that go undeflected when passing during perpendicular electric and magnetic fields of magnitude 4700 V/m and 3.6×10-3 T, correspondingly.
An object falls off of a pier and into the ocean (sea water) where it displaces a total volume of 3.7 cubic meters of sea water
How close to the edge of the 28.0 kg table, that is 2.2m with legs 1.2m apart, can a 62.0 kg person sit without tipping it over.
A thin 12 cm long solenoid has a total of430turns of wire and carries a current of2.1A. Calculate the magnitude of the field inside near the center
a 2.50muc charge is located at a point a at the origin and a -6.00 muc charge is located at point b at 20.0cm on the
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