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An AC generator consists of 6 turns of wire. Each turn has an area of 0.04 m2. The loop rotates in a uniform field (B= 0.02 T) at a constant frequency of 50 Hz. Evaluate what is the maximum induced emf?
A puck slides on a surface for 5.6 m before it stops. If it was moving at a velocity of 15 m/s and has a mass of 1.2 kg, what is the force of friction exerted on the puck
Lightning As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an altitude of 550 m to be the other plate. How much charge can the cloud hold before the dielectric strength of the air is e..
A 65-g ice cube at 0°C is placed in 887 g of water at 25°C. What is the final temperature of the mixture
The angular speed of a propeller on a boat increases with constant acceleration from 12 rad/s to25 rad/s in 2.4 sec. Find through what angle did the propeller turn during this time
Cyclotrons are often used to bombard Oxygen-18 with a proton to create Fluorine-18. Estimate the final velocity of the proton
a rock is dropped from rest from a height h above the ground. it falls amp hits the ground with a speed of 11ms. from
Two long, parallel wires carry currents of 0.245 A in the same direction. If the wires are 0.034 m apart, Is this force attractive or repulsive
Your friend's car is parked on a cliff overlooking the ocean on an incline that makes an angle of 19.9 below the horizontal. Find the length of time the car is in the air
The 66.5 kilogram climber is supported in the "chimney" by the friction forces exerted on his shoes and back. Calculate the minimum normal force he must exert
A particle attached to a spring with k 50 N/m is undergoing simple harmonic motion, and its position is described by the equation x (5.7 m)cos(7.5t), What is the maximum potential energy
a rectangular coil of dimension 4cmx6cm is rotated between the opposite poles of a magnet. the strength of the magnetic
A grandfather clock is controlled by a swinging brass pendulum that is 0.80 meter long at a temperature of 30°C. Evaluate the length of the pendulum rod when the temperature drops to 0.0°C
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