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A circular coil 19.0cm in diameter and containing nine loops lies flat on the ground. The Earth's magnetic field at this location has magnitude 5.50×10?5T and points into the Earth at an angle of 53.0? below a line pointing due north. A7.20-A clockwise current passes through the coil.
Part A Determine the torque on the coil. Express your answer using three significant figures and include the appropriate units.
Part B Which edge of, the coil rises up: north, east, south, or west?
A cosmic ray proton streaks through the lab with velocity 0.80c at an angle of 55° with the +x direction (in the xy plane of the lab). Compute the magnitude and direction of the proton's velocity
A piece of Nichrome wire has a radius of 5.0 x10-4 m. It is used in a laboratory to make a heater that dissipates 2.00 x10^2 W of power when connected to a voltage source of 120 V. Ignoring the effect of temperature on resistance, estimate the req..
Calculate the smallest amount of kinetic energy the electron must have in order to leave its circular orbit and move to infinity far from the proton
A circular disk with the rectangular hole has a radius of 0.540 m and mass of 0.440 kg. It is suspended by a point on its perimeter. The moment of inertia about this point is I_p = 1.7×10-1 kgm2.
A diver observes a bubble of air rising from the bottom of a lake to the surface, What is the ratio of the volume of the bubble as it reaches the surface to its volume at the bottom
A board is 6 meters long. The center of mass is in the 2 meters from the left end. The board has a weight of 320 Newton's. How much force in Newtons is necessary to lift the right end while the other end stays on the ground.
The vector A s 3.50cm long and is directed into this page, In the right-handed coordinate system, where the +x-axis directed to the right, the +y-axis toward the top of the page
Susie is out fishing on a calm, sunny day. She hooks an old tire that is resting on the lake bottom, and hauls it into her boat
The total volume of the column of water in the neck is 0.200 m^3. Illustrate what is the magnitude of the force exerted by the water on the bottom of the container?
In a crash test, a 1100 kg car slams into a concrete wall at 17.1 m/s and comes to rest in 0.275 s. a)Find out the magnitude of the impulse delivered to the car.b) Find the average stopping force.
A proton is at the origin and an electron is at the point = 0.45 , = 0.31 . Find the electric force on the proton.
A loudspeaker of mass 18.00 {rm kg} is suspended a distance of h = 1.20 {rm m} below the ceiling by two cables that make equal angles with the ceiling.
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