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A piece of copper wire is formed into a single circular loop of radius 13 cm. A magnetic field is oriented parallel to the normal to the loop, and it increases from 0 to 0.60 T in a time of 0.45 s. The wire has a resistance per unit length of 3.3*10-2 Ω/m. What is the average electrical energy dissipated in the resistance of the wire?
The gravitational potential energy of all the water stored behind avery large dam is 1.2×1016 J, using the base of the damas the reference point for zero PE. Imagine you could store the same amount of potential energy in a system consisting oftwo ..
Two wires are tied to the 300g Sphere as shown in figure below. The sphere revolves in a horizontal circle at constant speed of 7.5 m/s. Find the tension in each wire
A gardener pushes a 20kg lawnmower whose handle is tilted up 37degrees above horizontal. The lawnmower's coefficient of rolling friction is 0.20. How much power does the gardener have to supply to push the lawnmower at a constant speed of 1.4m/s ? As..
a 15kg block is accelerated at 2.4m/s^2 up a frictionless plane inclined at 5 degrees to the horizontal, wth the speed increasing from 10m/s to 35m/s. what is the change in the blocks mechanical energy
Two rods of equal length L = 1.51 m form asymmetric cross. The horizontal rod has a chargeof Q = 100.0 C, and the vertical rod a charge of-Q = -100.0 C. The charges on both rods are distributed uniformly along their length.
a calculate the absolute pressure at the bottom of a fresh-water lake at a depth of22.9m. assume the density of the
A source produces sound waves of time period .001 second and wave length of 20 cm. find the time taken by sound waves to travel a distance of 800 metres.
An electron with kinetic energy 2.10 keV circles in a plane perpendicular to a uniform magnetic field. Find the frequency of circling
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. What is the orbital period of the faster planet, in years
How many energy is consumed by a 1.10kW hair dryer used for 11.0min and a 10.0W night light left on for 11.0hr
An electron moving with a velocity of 2.7 x10^6 m/s in the positive x direction enters a region, What is the magnitude of the electron's acceleration
In the figure below, a butterfly net is in a uniform electric fieldof magnitude E = 3.0 mN/C.The rim, a circle of radius a = 10 cm, is aligned perpendicular to the field. Thenet contains no net charge. Find the electric flux through the netting.
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