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A current of 18.0 mA is maintained in a single circular loop of 2.20 m circumference. A magnetic field of 0.690 T is directed parallel to the plane of the loop.
(a) Calculate the magnetic moment of the loop.___________mA · m2(b) What is the magnitude of the torque exerted by the magnetic field on the loop?____mN · m
From illustrate what height did the student fall? Suppose that the only force acting on him during the collision is that due to the ground.
Three uniform thin rods, each of length L = 19 cm, form an inverted U. The vertical rods each have a mass of 12 g; the horizontal rod has a mass of 44 g. What are (a) the x coordinate and (b) the y coordinate of the system's center of mass.
At a particular instant in time an electromagnetic wave has an electric field which can be written E=(6.22N/C)x+(2.87N/C)y What is the magnitude of the magnetic field at this moment
A soccer player kicks a rock horizontally off a 39.0-m-high cliff into a pool of water. If the player hears the sound of the splash 2.97 s later, what was the initial speed given to the rock? Assume the speed of sound in air is 343 m/s.
You illuminate a slit of width 0.0527 mm with light of wavelength 715 nm and observe the resulting diffraction pattern on a screen that is situated 2.39 m from the slit
A 6 foot person stands at the bottom of a 10ft pool filled with water. How much pressure is exerted on the person's head
A vertically hanging steel wire has the following properties. Length=8.75m, Cross-Sectional area= 0.375 cm cubed. Y=2.10x10^11 Pa, B=1.62x10^11 Pa, S= 0.871x10^11 Pa, Proportional Limit=3.27x10^8 Pa, breaking stress=17.4x10^8 Pa.
If a 25-gram bullet with a speed of 330 m/s travels 15 cm into a tree before stopping, what's the average force exerted to stop the bullet
A series RLC circuit contains a 2200 ohm resistor, a 14.0 nF capacitor, and a 0.0300 H inductor. what is the ratio of the charge to its initial value
A converging lens has a focal length of f = 43 cm for blue light and f = 53 cm for red light. An object is placed 140 cm in front of the lens and is illuminated with white light. How far apart are the two images
A 0.60 kg stone attached to a string is whirled in a horizontal circle of radius 43 cm as in the figure below. The string makes an angle of 35° with the vertical. Find the speed of the stone
In a physics lab, light with a wavelength of 560nm travels in air from a laser to a photocell in a time of 16.9ns, What is the wavelength of the light in the glass
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