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1. Part of a single rectangular loop of wire with dimensions shown in the (Figure 1) is situated inside a region of uniform magnetic field of 0.410T . The total resistance of the loop is 0.260Ω. Calculate the force required to pull the loop from the field (to the right) at a constant velocity of 4.90m/s . Neglect gravity. F= ?
2. The magnetic field perpendicular to a single 13.2-cm -diameter circular loop of copper wire decreases uniformly from 0.670T to zero. If the wire is 2.75mm in diameter, how much charge moves past a point in the coil during this operation? The resistivity of copper is 1.6x10-8Ωm .
In a physics demonstration, a stationary mass m1 = 0.20kg slides down a frictionless ramp and then collides with a second mass m2 = 0.40 kg. Find the height needed if you reverse the masses
An electron accelerated from rest through a voltage of 370 Volt enters a region of constant magnetic field. determine what is the magnitude of the magnetic field
in a 5.00 km race one runner runs at a steady 12.0kmh and another runs at 14.5 kmh. how long does the faster runner
On planet Bohrod, the acceleration due to gravity is the sameas that on Earth but there is also a strong downward electric fieldwith the feild being uniform close to the planet's surface. What is the equilibrium position of the mass
A cylinder in a car engine takes Vi = 4.50 10-2 m3 of air into the chamber at 30° C and at atmospheric pressure. What is the new temperature of the air
i what is the core difference between electric and magnetic forces?ii how domaxwells equations showthis?iii how would
One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. estimate the diameter of the pinhole
in a youngs double-slit experiment the separation distance y between the second-order bright fringe and the central
A pipe is open at both ends. The pipe has resonant frequencies of 528 Hz and 660Hz (among others). Find two possible values for the length of the pipe
A floating boat displaces 10m3 of water. What is the net force on the boat
The work on a system with a mass 100 lbm is known to be 10 BTU's . If there is no change in potential energy and the speed changes from rest to 32 ft/sec. What is the change in the internal energy of the system?
Each of the three helicopter rotor blades shown in the figure is 5.20 m long and has a mass of 286 kg. The rotor is rotating at 250 rev/min. What is the total kinetic energy of rotation
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