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A 5-turn circular loop of wire of radius 23 cm carries a current of 15 A. Its magnetic moment is oriented at an angle 50o to a uniform magnetic field of 3.7 T. What energy is required to rotate the loop from its lowest energy position to this orientation?
A weather vane initially at rest has a moment of inertia of 0.104 kg · m2 about its axis of rotation. Find the angular velocity of the weather vane just after it is struck
A helicopter has just landed and as it's engine is turned off, the angular velocity of the rotor blades decreases uniformly from 500 rev/mm to 100 rev/mm in 12.0- s interval. What is the angular acceleration (in rev/s2)?
find the non-zero Christoffel symbols and the equations, of the geodesic, for the two dimensional case of move-ment on the surface of a cylinder of radius and show that the transformation is an invariance transformation by finding the function A
A 1.5m -long barbell has a 22kg weight on its left end and a 35kg weight on its right end. If you ignore the weight of the bar itself, how far from the left end of the barbell is the center of gravity
A rocket ship is 45.0 m long according to measurements made in its rest frame, and moves at 0.385c by respect to the Earth. Astronaut Naomi sends a laser pulse from the tail of the rocket to the nose, where it reflects off a mirror, and returns to Na..
A mass m = 15 kg is pulled along a horizontal floor, with a coefficient of kinetic friction ?k = 0.1, for a distance d = 5.1 m. What is the work done by gravity as it comes to rest
a 2800 kg space vehicle initially at rest falls vertically from a height of 3000 km above the earths surface.determine
Two ice skaters stand at rest in the center of an ice rink. When they push off against one another the 68-kg skater acquires a speed of 0.60m/s. what is this skater's mass
The electric field on the surface of a 11 cm diameter sphere is perpendicular to the sphere and has a magnitude 51 kN/C. What is the electric flux through the sphere
Electrons are emitted from a surface when the light of wavelength 500 nm is shone on the surface but electrons are not emitted for longer wavelengths of light. What is the work function of the surface?
a a 3 microcoulomb charge is at the coordinates 34 mm. a -4 microcoulomb charge is at the coordinates -25mm. what is
If she were to hold the book 58 cm away, what type of corrective lens would she need to use to clearly see the print? What is the focal length of the lens?
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