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A uniform magnetic field is perpendicular to the plane of acircular loop of diameter 8.6 cm formed from wire of diameter 1.9mm and resistivity of 2.12 x 10-8Ω·m. Atwhat rate must the magnitude of the magnetic field change to inducea 14 A current in the loop?
A 12,600-kg railroad car travels alone on a level frictionless track with a constant speed of 15.8 m/s. What will be the car's new speed
question1a swan on a lake gets airborne by flapping its wings and running on top of water. a if swan have to reach a
Light strikes a surface at an angle of 47 degrees. The angleof refraction is measured to be 34 degrees. What is the index of refraction of the material
A study shows that mammalian red blood cells (RBCs) carry electric charge resulting from 4.4 million (rabbit cells) to 15 million (human cells) excess electrons spread over their surfaces
For lead 82Pb206 (atomic mass = 205.974440 u) obtain the binding energy per nucleon (in MeV)
A helium-filled weather balloon has a 0.90 m radius at liftoff where air pressure is 1.0 atm, What is the pressure at the airborne location
a 150 Watt computer (computer plus flat panel monitor) is turned on 8.0 hours per day. if electricity costs $0.15/kWh, how much does it cost to run the computer annually
A electromagnetic monophonic wave of frequency 600*10^12Hz (green light ), propagating in the positive x direction in a vacuum, has an electric feild amplitude of 42.42 V/m. The wave is linearly polarized such that the plane vibration of the electric..
An iron casting containing a number of cavities weighs 23137.8 N in air and 19020.3 N in water. What is the total volume of all the cavities in the casting
A person pushes a 10 kg box from rest and accelerates it to a speed of 3.2 m/s with a constant force. what is the force exerted by the person
A toaster uses a heating wire. When the toaster is turned on at 20 degree C, the initial current is 1.54 A. A few seconds later, the toaster warms up and the current has a value of 1.23 A. The average temperature coefficient of resistivity for thi..
In a CRT tube, electrons are accelerated by a 20,000 V potential difference between the electron gun (the cathode) and the positive metal mesh 5.00 cm away. How much time does it take the electron to reach the wire mesh
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