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A small rectangular loop of wire is located close to a long straight wire originally carrying a current I =91 A (see figure below). Discover the average emf induced in the loop if the current in the wire reverses direction in a time interval of 1/160 s.
A compact disk on a CD player rotates clockwise. The disk completes one revolution in 0.220 s. Find the angular velocity of the disk
An airplane flies in a loop (a circular path in a vertical plane) of radius 150m . The pilot's head always points toward the center of the loop, What is the apparent weight of the pilot at this point
A small rock with mass .12kg is fastened to a massless string withlength 0.80 m to form a pendulum. The pendulum is swinging so as tomake a maximum angle of 45* with vertical. Air resistance is negligible.
When point charges q1 = +6.8 ?C and q2 = +5.3 ?C are brought near each other, Determine the distance between the charges
Two speakers, one directly behind the other, are each generating a 152-Hz sound wave. What is the least separation distance between the speakers that will produce destructive interference at a listener standing in front of them.
a cannon fires a cannon ball at 954.4 ms in a straight line that passes directly over an observers head. if the
A hockey puck is given an initial speed of 5.0m/s. The coefficient of Kinetic friction between the puck and the ice is 0.05. Use the law of Conservation of Energy to find how far the puck slides before coming to a stop
A hotel elevator ascends 273 m with a maximum speed of 3.78 m/s. Its acceleration and deceleration both have a magnitude of 0.91 m/s2. How long does it take to make the complete trip from bottom to top?
in a particular region of the earth's atmosphere, the electric field above the earth's surface has been measured to be 153 N/C downward at an altitude of 241m, Calculate the volume charge density of the atmosphere
A car of mass 2800 kg collides with a truck of mass 4500 kg, and just after the collision the car and truck slide along, compute the velocity of the stuck-together car and truck
A perfectly inelastic collision (both cars stick together after the collision) occurs between a 2000kg car moving at 7m/s, What is the velocity of the cars immediately after impact
An ultracentrifuge having a diameter of 16.3 cm produces an extremely large acceleration of 4.41E+5 m/s2. What is the angular speed of the centrifuge
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