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A magnetic field is perpendicular to a 0.0409 m x 0.0585 m rectangular coil of wire that has 115 turns. In a time of 0.0515 s, an average emf of magnitude 1.26 V is induced in the coil. What is the magnitude of the change in the magnetic field?
Before throwing a 1.49 kg discus, an athlete rotates it along a circular path of radius 1.18 m. The maximum speed of the discus is 25.7 m/s.
Two masses, m1= 3.32 kg and m2= 5.00 kg are on a horizontal frictionless surface and they are connected together with a rope, What is the acceleration of the whole system, when this maximum force is appiled
An 845-N sled is pulled a distance of 170 m. The task requires 1.10 x10^4 J of work and is done by pulling on a rope with a force of 12N. At what angle is the rope held.
A car is traveling 80 km/hr in a school zone. A police car starts from rest just as the speeder passes it and accelerates at a constant rate of 8 km/hr·s. Eluciadte when does the police car catch the speeding car?
Determine the magnitude of the total initial momentum of the two-block system. Find , the magnitude of the final velocity of the two-block system. What is the change in the system's kinetic energy due to the collision?.
the second person is initially at rest. Illustrate what are the velocities of the two people after the snowball is exchanged? Disregard the friction between the skates and the ice.
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis, What is the radius of a chamber
A circular wire loop of radius 13cm carries a current of 3.66 A. It is placed so that the normal to its plane makes an angle of 34.8° with the uniform magnetic field of magnitude 9.70 T.
Four identical cells, each of emf 2V are joined in parallel providing supply of current to external circuit consisting of two 15 ohm resistors joined in parallel, Calculate the internal resistance of each cell
Ball A has a mass of 0.90 kg and moves with an initial speed of 10.60 m/s. It collides with stationary balls B and C, whose centers are on a line vertical to the initial velocity of ball A and that are initially in contact with one-another.
If the density of conduction electrons is 10^27 m^3 and the wire has a radius of one millimeter, what is the electrical current through this wire
A -3.07 ?C charge is placed at the center of a conducting spherical shell, and a total charge of +6.70 ?C is placed on the shell itself. Calculate the total charge on the outer surface of the conductor.
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