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A generator rotates at 85.Hz in a magnetic field of 0.030 T. It has 1000 turns and produces an rms voltage of 150 V and rms current of 70.0 A.
(a) What is the peak current produced?
(b) What is the area of each turn of the coil?
wheel rotating about a fixed axis has an angular position given by , where q = 3 - 2t^3 tis measured in radians and t in seconds
A 60-kg object on a frictionless horizontal surface oscillating on a spring that has a force constant equal to 1.5 kN/m has a total mechanical energy of 0.70 J. What is the amplitude of the motion
Ice has formed on a shallow pond, and a steady state has been reached, with the air above the ice at -4.1°C and the bottom of the pond at 4.0°C. how thick is the ice
Two 1.50-V batteries—with their positive terminals in the same direction—are inserted in series into the barrel of a flashlight. One battery has an internal resistance of 0.250 ?, the other an internal resistance of 0.120 ?. When the switch is clo..
A typical fighter pilot can withstand a sustained force equal to seven times his weight before losing consciousness. What is the smallest radius turn that he can make
A wheel with radius 43.9 cm rotates 4.27 times every second. Find the period of this motion.
Find the focal length of a glass lens that has an index of refraction equal to 1.66, a concave surface that has a radius of curvature of magnitude 108 cm
In an early test of sound propagation through the ocean, an underwater explosion of 1 pound of dynamite in the Bahamas was detected 3200 away on the coast of Africa
An airplane is flying with a velocity of 85.0 m/s at an angle of 25.0 degrees above the horizontal. When the plane is a distance 117 m straight above a dog that is standing on level ground, a suitcase drops out of luggage compartment. How far from..
A net force of 32 N accelerates a 4.7-kg mass over a distance of 15 m. What is the total work done by this net force
Light in a vacuum is incident on a transparent glass slab. Theangle of incidence is 35.6°. What is the index of refraction of the liquid
A guitar string is tuned to an E4, The concert pitch standard A440 has a frequency of 440 Hz. What is the wavelength of this pitch in air
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