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A solenoid 10.0 cm in diameter and 76.7 cm long is made from copper wire of diameter 0.100 cm, with very thin insulation. The wire is wound onto a cardboard tube in a single layer, with adjacent turns touching each other. What power should be delivered to the solenoid if it is to produce a field of 8.50 mT at its center?
A 48.5 kg circus acrobat drops from a height of 1.62 meters straight down onto a springboard with a force constant of 7.95 103 N/m, By what maximum distance does she compress the spring
A flashlight bulb with a resistance of 40 ohm is powered with a six volt battery and produces .75W power. obtain the internal resistance of the battery
A solenoid of inductance L = 50 mH has a magnetic energy U = 3 x10-4 J with a density u = 0.0042 J/m3. What is the winding density n of the solenoid
Suppose a 400-kg alligator of length 3.7 m is stretched out on a board of the same length weighing 95 N. If the board is supported on the ends as shown in the figure, and the scale reads 1,686 N, find the x-component of the alligator's center of grav..
The distance between a carbon atom (m = 12 amu) and a nitrogen atom (m = 14 amu) in a CN molecule is 0.1 nm. How far from the carbon atom is the center of mass of the atom
A spherical mirror is polished on both sides. When the convex side is used as a mirror, the magnification is +1/4. What is the magnification when the concave side is used as the mirror, the object remaining the same distance from the mirror.
Suppose that the sound level of a conversation is initially at an angry 70 dB and then drops to a soothing 50 dB. Assuming that the frequency of the sound is 500 Hz, determine the (c) initial and (d) final sound wave amplitudes.
A 4.00 kg hollow sphere of radius 5.00 cm starts from rest and rolls without slipping down a 30.0 degree incline. If the length of the incline is 50.0 cm, then the velocity of the center of mass of the hollow sphere at the bottom of the incline is:
The angular velocity of a rotor in a centrifuge increase constantly from 420 rad/s to 1420 rad/s in 5.00 s. a) Determine the angular displacement through which the rotor turns. b) What is the angular acceleration?
a find the wavelength of the sound upwind of the siren.b find the wavelength of the sound downwind of the siren.c
A uniform electric field of magnitude 380 N/C pointing in the positive x-direction acts on an electron, What is the work done by the field on the electron
a diffraction pattern is formed on a screen 110cm away from a 0.500mm wide slit. monochromatic 546.1 nm light is used.
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