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One generator uses a magnetic field of 0.15 T and has a coil area per turn of 0.045 m2. A second generator has a coil area per turn of 0.015 m2. The generator coils have the same number of turns and rotate at the same angular speed. What magnetic field should be used in the second generator, so that its peak emf is the same as that of the first generator?
A tank of water 3.00m deep sits on a table 1.00 m tall. A hole is located 2.0m from the bottom of the tank. Water flows out of hole and strikes the ground. Where does it strike the ground.
When a-particles with energy of 5MeV are scattered on a thin gold foil, it is found that 10,000 a-particles are scattered at an angle greater than 50o, How many will be scattered between 70o and 80o
what is the total displacement of the jetliner between touchdown on the runway and coming to rest.
Capacitor 1 with a capacitance of 8.00 µF is connected in series with capacitor 2 of capacitance 2.00 µF, and a potential difference of 100 V is applied across the pair
The potential difference between the ends of a resistor is 9 V and the rate of energy dissipation in it is 18 W. What is the value of that resistor
A harmonic wave moving in the positive x direction has an amplitude of 2.5 cm, a speed of 37.0 cm/s, and a wavelength of 54.0 cm. Assume that the displacement is zero at x = 0 and t = 0. Calculate the displacement due to the wave at x = 10.0 cm, t = ..
A 1.50 kg block rests on the icy surface of a frozen pond, which you can assume to be frictionless. If the location of the block is measured to a precision of 0.70 cm, what is the minimum uncertainty in the block's speed, assuming the mass is known e..
Knowing that these two tones are two harmonics apart, find the smallest length the tunnel could have. Also determine the harmonic number for these two tones
A small sphere with a mass m = 0.150 kg is suspended by a light string from a vertical post mounted at the edge of a merry-go-round with a radius R = 0.440 m. Calculate the speed of the sphere
A 5kg piece of metal displaces 0.75L of water when submerged. What is the buoyant force on the piece of metal? Give your answer in Newtons
An archeological specimen containing 8.7 g of carbon has an activity of 1.8 Bq. How old (in years) is the specimen
What is the difference between a vector's x scalar component, How do equilibrant and resultant vectors relate to each other
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