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A flat circular coil with 171 turns, a radius of 5.85E-2 m, and aresistance of 0.373 Ω is exposed to an external magnetic fieldthat is directed perpendicular to the plane of the coil. Themagnitude of the external magnetic field is changing at a rate ofΔB/Δt = 0.961 T/s, there by inducing a current in thecoil. Find the magnitude of the magnetic field at the center of thecoil that is produced by the induced current.
Monochromatic light (640 nm) strikes a pair of slits at normal incidence, forming the double-slit interference pattern on a screen located 1.82m from the slits. It shows the interference pattern observed on the screen. What is the slit separation.
In a cathode-ray tube, a beam of electrons is projected horizontally with a speed of 1.0x10^9 cm/s into a region between a pair of horizontal plates 2.00 cm long.
a projectile is shot upward off a 475 m high cliff with a speed of 65m/s at an angle of 48 with respect to the horizontal. How high does the projectile rise
What is the flow speed of the medicine through the needle. What is the least force the nurse needs to apply to the syringe.
A step-down transformer has 2000 turns on the primary and 300 turns on the secondary, what is the secondary voltage amplitude
A boy of mass 60.8 kg is rescued from a hotel fire by leaping into a firefighters' net. The window from which he leapt was 9.5 m above the net. What is the average force on the net due to the boy during the interval
A 48 kg cart is moving across a frictionless floor at 1.5 m/s. A 68 kg boy, riding in the cart, jumps off the cart so that he hits the floor with zero velocity. What is the velocity of the cart after the boy jumped
A long straight wire carries a current of 6.2 A. The wire is horizontal in the plane of the page (screen), Calculate the force that acts on the electron
how much work is required to place q3 at (0,-3)? D) Calculate the electric potential energy of the group of three charges.
A 900 kg car enters an unbanked curve with a radius oof 75.0 m. The coefficient of static friction between the tires and roadbed iis .20. what is the maximum speed with which the car can safely negotiate
Find out total vector displacement
a 315 kg box moving at 35 ms and strikes a 155 kg box which is at rest. if the 155 kg box travels 14 m before coming to
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