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A 0.670 m long solenoid is formed by wrapping 420 turns of wire around a hollow cylinder with a radius of 0.130 m. At the instant when the magnetic field in the interior is 0.860 T, calculate the energy stored in the field.
A picture hangs on the wall suspended by two strings, as shown in the figure, with theta = 68°. The tension in string 1 is 1.4 N. What is the weight of the picture
The radius of a park merry-go-round is 2.4 m. To start it rotating, you wrap a rope around it and pull with a force of 260 N for 11 s. What is the moment of inertia of the merry-go-round
Find out the magnitude of the truck's vertical component of displacement, answer in units of meters.
A student could either pull or push, at an angle of 30? from the horizontal, a 55kg crate on a horizontal surface, Calculate the minimum work required for both pulling and pushing
A 420 turn solenoid, 30 cm long, has a diameter of 2.4 cm. A short 20 turn coil is wound tightly around the center of the solenoid. what will be the induced emf magnitude in the short coil
To the left of the lens is a cube having a face area of 100 cm2. Determine the area of the image
Block B rests on a smooth inclined plane of 21 degrees and block A hangs vertically. Compute the acceleration of the system if the mass of block A is 1.08 kg and that of block B is 5.9 kg.
how high above the target must the rifle barrel be pointed.
A wall clock has a second hand 20.0 long. What is the radial acceleration of the tip of this hand?
On a workday the average decibel level of a busy street is 69 dB, with 102 cars passing a given point every minute. If the number of cars is condensed to 39 cars every minute on a weekend, what is the decibel level of street.
We have a typical student microscope with a rotating platform that allows the user to select from three objective lenses. calculate the highest and lowest magnitude of the overall angular magnifications available
A laboratory ultracentrifuge is designed to produce a centripetal acceleration of 5.0 x 10^6 g at a distance of 4.00cm from the axis. What angular velocity in rev/min is necessary.
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