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A generator uses a coil that has 80 turns and a 0.40-T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. Assuming that each turn of the coil is a square (anapproximation), decide the length of the wire from which the coil is made.
Write an expression for a harmonic wave that has an amplitude of 18cm, a wavelength of 2.0m, and propagates to the left at 15 m/s
The Sun is approximately a sphere of radius 6.963 105 km, at a mean distance a = 1.496 108 km from the Earth. The solar constant, the intensity of solar radiation at the outer edge of Earth's atmosphere, is 1370. W/m2. Assuming the Sun radiates as a ..
What is the size of the frictional force acting on the car
Compute the angular momentum of the earth arising from the following motions. Earth's orbital motion around the sun
According to newtons third law, each team in a tug of warpulls with equal force on the otehr team. what then determines which team will win
A coil with 150 turns, a radius of 5.0cm , and a resistance of 12 Ohms surrounds a solenoid with 200 turns/cm and a radius of 4.3cm, Calculate the magnitude and direction of the induced current in the 150-turn coil
within the discussion board area write 400-600 words that respond to the following questions with your thoughts ideas
Neglect air resistance for the following. A soccer ball is kicked from the ground into the air. When the ball is at a height of 12.6 m, its velocity is (5.5 + 4.5) m/s. To what maximum height will the ball rise
The speed of sound in air at room temperature is 340 m/s. What is the frequency of a sound wave in air with wavelength 1.3 m
A grinding wheel of radius 0.35 m rotating on a frictionless axle is brought to rest by applying a constant friction force tangential to its rim. The constant torque produced by this force is 75N · m. Find the magnitude of the friction force.
If a virtual image is formed 10.0 cm along the principal axis from a convex mirror of focal length -15.0 cm, how far is the object from the mirror
A spring-loaded dart gun is utilized to shoot a dart straight up into the air, and the dart reaches a maximum height of 24 meters. The same dart is shot up a second time from the similar gun, however this time the spring is compressed only half as fa..
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