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An electric generator contains a coil of N turns of wire, each forming a rectangular loop of area A. The coil is placed entirely in a uniform magnetic field with magnitude B and initially perpendicular to the coil's plane. What is the maximum value of the emf (?max) produced when the loop is spun at angular speed? about an axis perpendicular to the magnetic field? State your answer in terms of the given variables.
Two rays travelling parallel to the principal axis strike a large plano-convex lens having a refractive index of 1.60. find the difference in positions where they cross the principal axis
q1. a 2.0 kg piece of wood slides on the surface. the curved lateral sides are perfectly smooth no resistance but the
Scientists in a laboratory produce a sound wave in a simulated environment (air) with a velocity of 448 m/s.
A meter stick is found to balance at the 49.7cm mark when placed on the fulcrum. When a 41g mass is attached at the 23cm mark, what is the mass of the meter stick
A man drags a table 4.30 m across the floor, exerting a constant force of 46.0 N, directed 29.0° above the horizontal. Find the work done by the applied force
A 0.464-nm photon collides with a stationary electron. After the collision, the electron moves forward and the photon recoils backwards. Find the momentum of the electron
A spaceship travels past an observer at a speed of 0.6c. What time would the observer record for the same event
Estimate the force on a 145-gram baseball if it hits the bat at 50 miles per hour and stays in contact with the bat for 0.1 second
In the lungs there are tiny sacs of air that are called alveoli. An oxygen molecule (mass = 5.30 x 10-26 kg) is trapped within a sac, and the uncertainty in its position is 0.140mm. What is the minimum improbability in the velocity of this oxygen ..
A solid disk of radius R and mass 2.66 kg is spinning at angular velocity 66.2 rpm about a vertical axis. What is the mass of the second disk
A ray of light is incident oa an angle of 60 degree on once face of a rectangular glass slab of thickness 0.1m and refractive index 1.5. Calculate the lateral shift produced
A car traveling at a constant speed of 27.0 m/s passes a trooper hidden behind a billboard. From the intersection of the two curves, read the time at which the trooper overtakes the car
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