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A square loop with resistance 15 ohms is located perpendicular to a time -varying magnetic field; the loop is 8.2 centimeter on a side. The magnetic field is changing with a rate of 3.4 x 10^-1T/s.
a. Find the rate at which the magnetic flux threading the loop changes.
b. Determine the current circulating in the loop.
Original problem: a person walks at constant speedv1 along a straight line from A to B and then back alongthe line from B to A at constant speed v2. What is theaverage speed over the entire trip
A bumper car with mass m1 = 115kg is moving to the right with a velocity of v1 = 4 m/s. A second bumper car with mass m2 = 95 kg is moving to the left with a velocity of v2 = -3.7 m/s. The two cars have an elastic collision. Suppose the surface is fr..
A learner throws a set of keys vertically upward to his friend who is in a window 4.00 meter above. His friend's outstretched hand catches the keys 1.5 second later. Find with what initial velocity were the keys thrown
A person who is properly restrained by an over-the-shoulder seatbelt has a good chance of surviving a car collision if the deceleration does not exceed 30 "g's"(1.00g = 9.80 m/s2).
Flint glass has a refractive index of 1.645 for blue light and 1.629 for red light. When viewing an image these colors will not focus at the same location due to this effect. Find the focal length of both the blue and red light
The loaded cab of an elevator has a mass of 3.6 x 10^3 kg and moves 193m up the shaft in 20s at constant speed. At what average rate does the force from the cable do work on the cab.
A ladder of length L = 2.5 m and mass m = 15 kg rests on a floor with coefficient of static friction ?s = 0.57. Assume the wall is frictionless. What is the normal force the floor exerts on the ladder
A conducting spherical shell of inner radius b and outer radius c is concentric with a small metal sphere of radius a
A 4000 kg lunar lander is in orbit 50 km above the surface of the moon. How much work must the thrusters do
A motorist suddenly notices a stalled car and slams on the brakes, decelerating at the rate of 6.3 m/s2, How much time elapsed from the initial braking to the collision
A ray of light strikes a thick sheet of glass (n = 1.5) AT AN ANGLE OF 25o with the normal. Compute the angle of the ray reflected off the glass surface with respect to the normal
In the hydraulic press utilized in a trash compactor, the radii of the input piston and the output plunger are 5.8 multiplied by 10-3m and 5.4 multiplied by 10-2 m, respectively. If the height difference among the input piston and the output plunger ..
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