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A coil rotates at 60 revolutiona per second in a field of 2x10-2 Tesla. If the coil has a cross-sectional area of 20 cm2 and has 1000 turns, what is the amplitude of the EMF in the coil.
A motorist drives south at 28.0 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 2.20 min, find the average velocity and degree south of west
A guitar string is 90cm long and has a mass of 3.6g from the bridge to support post (L) is 60cm and the string is under the tension of 560. What are the frequencies of fundamental and first two overtones.
A train sounds its whistle as it approaches and leaves a railroad crossing. An observer at the crossing gauges a frequency of 219 Hz as the train approaches and a frequency of 184 Hz as the train leaves. The speed of sound is 340 m/s. Discover the sp..
youre investigating a subway accident in which a train derailed while rounding an unbanked curve of radius 132 m and
Figure the y-component of the magnetic force acting on a segment of wire of length L = 21.0 cm
A beam of protons, each with kinetic energy of 40MeV, approaches a step potential of 30MeV. What fraction of the beam is reflected and transmitted
the height of a helicopter above the ground is given by h 2.95t3 where h is in meters and t is in seconds. at t 2.50
It's from safety that a person mustn't be hit by an electromagnetic radiation by a high density more than10 mV /cm2 (milli volt /cm2). Describe the safety level in terms of the electric fields and the magnetic fields for an electromagnetic wave sprea..
Three moles of an ideal monatomic gas expand isothermally at a temperature of 21°C. If the volume of the gas quadruples during this process, what is the heat flow into the gas
A photon with a wavelength of 5.70e-11 m is scattered by a loosely bound electron in a metallic target and exits at an angle of 135° from its original direction. What is the wavelength of the scattered photon?
Calculate the electric field(magnitude and direction) at the center of a square 52.5 on a side if one corner is occupied by a - 38.8 charge
Over a time interval of 2.16 years, the velocity of a planet orbiting a distant star reverses direction, Find the total change in the planet's velocity in m/s
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