What current flow through solenoid to create magnetic field
A long solenoid has 1460 turns in a length of 40.0 cm. What current has to flow through the solenoid in order to generate a magnetic field of 3.45 μT in its interior?
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The current is a matter of concern to those who live nearby. (a) What is the strength of the field at ground level below one such wire?
What is the angular acceleration of the merry-go-round?(c) How much work does each child do?(d) What is the kinetic energy of the merry-go-round?
A child sitting 1.10m from the center of a merry-go-round moves with a speed of 1.25m/s. calculate the centripetal acceleration of the child, and the net horizontal force exerted on the chile (mass=25.0kg)
If the electron just misses the upper plate as it emerges from the field, find the speed of the electron as it emerges from the field?
A jetliner, traveling northward, is landing with a speed of 62.0 m/s. Once the jet touches down, it has 656 m of runway in which to reduce its speed to 11.6 m/s. Compute the average acceleration (magnitude and direction) of the plane during landin
The mass of a carbon atom is 2.0x10^-26. What is the kinetic energy of a carbon atom moving with a speed of 500 m/s?
Glass photographic plates were once the standard detector for astronomical imaging. Describe the type of detector that has replaced photographic plates and outline what its advantages are.
A child bounces a 45 g superball on the side-walk. The velocity change of the superball is from 23 m/s downward to 14 m/s upward. If the contact time with the sidewalk is 1/800s, what is the magnitude of the average force exerted on the superball
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