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Suppose the light bulb in the figure below is replaced with a short wire of zero resistance, and the resistance of the rails is negligible. The only resistance is from the moving rod, which is The rod has a cross-sectional area of m2 and moves with a speed of m/s. The magnetic field has a magnitude of T. What is the current in the rod?
question1find out the normal force for a laundry basket with a mass of 3.4 kg in each of the following situationsa at
An electron is in the fifth Bohr orbit of hydrogen. Calculate the time required for the electron to circle the nucleus
if a 50 ohm toaster is connected in parallel to two 120 W bulbs and 120 V is applied across the light bulbs/toaster combination what is the current flowing through the toaster
As a civil engineering intern during one of your summers in college, you are asked to design a curved section of roadway that meets the following conditions: at what angle should the road be banked
A refrigerator has a coefficient of performance of 2.10. Each cycle it absorbs 3.40 104 J of heat from the cold reservoir. How much mechanical energy is required each cycle to operate the refrigerator?
Two identical conducting small spheres are placed with their centers 0.330 m apart. One is given a charge of 12.0 nC and the other a charge of 13.0 nC. Find the electric force exerted by one sphere on the other
A 38 g bullet is fired with a speed of 180 m/s into a 5 kg sandbag pendulum that is free to swing. To what maximum vertical height will the pendulum rise.
assume that for the couple in, you were told that the girl's mass was two-thirds that of the boy. The boy has a velocity of v = +0.61 m/s. What would be the girl's velocity in this case.
When a high-speed passenger train traveling at 170 km/h rounds a bend, engineer is shocked to see that a locomotive has improperly entered onto the track from a siding and is a distance D = 601 m ahead.
A hydrogen atom initially in the ground state absorbs a photon, which excites it to the n = 12.0 state. Determine the frequency of the photon
A total charge Q = 2.7 mC is distributed uniformly over a quarter circle arc of radius a=9.3 cm, What is lamda the linear charge density along the arc
Suppose that charges on a dipole antenna oscillate slowly at a rate of 1 cycle/s, and the antenna radiates electromagnetic waves in a region of space. What is the period of the charge oscillation
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