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The triangular coil of wire in the drawing is free to rotate about an axis that is attached along side AC. The current in the loop is 4.94 A, and the magnetic field (parallel to the plane of the loop and side AB) is B = 1.7 T.
(a) What is the magnetic moment of the loop, and
(b) what is the magnitude of the net torque exerted on the loop by the magnetic field?
At a playground, a 20.2-kg child plays on a slide that drops through a height of 2.40 m. What is the child's speed at the bottom of the slide
A transverse pulse moves along a stretched cord of length 5.29 m having a mass of 0.180 kg. If the tension in the cord is 13.4 N, find the following. (a) The wave speed. (b) The time it takes the pulse to travel the length of the cord.
What is the total power of Sunlight that is absorbed by the disk? The disk reradiates this power back to outer space as infrared light
An 1150-kg car pulls a 450-kg trailer. The car exerts a horizontal force of 3,800 N against the ground in order to accelerate. What force does the car exert on the trailer? Assume an effective friction coefficient of 0.15 for the trailer.
A 0.2kg flying pig toy is attached to the ceiling with a string. When the pig's wings flap, find the angle the string makes with the vertical
You decide to travel by car for your holiday visits this year. You leave early in the morning to avoid congestion on the roads. How far did you travel on this trip
A car is being pulled out of the mud by two forces that are applied by the two ropes. The dashed line in the drawing bisects the 30.0° angle.
A certain kind of glass has an index of refraction of 1.660 for blue light of wavelength 420 nm and an index of 1.630 for red light of wavelength 690 nm. what is the angle between the two beams inside the glass
A small, plastic sphere of mass m = 111 g is attached to a string There is an electric field of 122 N/C directed along the + x axis
The track for a racing event was designed so that riders jump off the slope at 30 angle, from a height of 5 ft. Determine the maximum height he attains
Estimate the heat flow when a double pane of glass is used with a 4.0 mm air gap between the panes? Each individual glass sheet is 4.0 mm thick
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. find How long was the ball in flight
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