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Assume that you wish to fabricate a uniform wire out of 0.850 gram of copper. Suppose the wire has a resistance R = 0.600 ohm, and all of the copper is used.
(a) Find what will be the length of the wire?
m
(b) Determine what will be the diameter of the wire?
µm
The dielectric strength of air is 3.0x106 V/m, and that of neoprene rubber is 1.2x107 V/m. A certainair-gap, parallel-plate capacitor can store no more than 0.060 J of electrical energy before breaking down.
Suppose a bat chirp has a frequency of 29 kHz. How fast would the bat have to fly, and in what direction, for you to just barely be able to hear the chirp at 19 kHz
A toroidal solenoid has a mean radius of 10.0cm and a cross-sectional area of 4.8cm2 and is wound uniformly with 115 turns. What is the mutual inductance of these coils
Assume it takes 8.00 min to fill a 25.0-gal gasoline tank. (1 U.S. gal = 231 in.3) (a) Calculate the rate at which the tank is filled in gallons per second. (Please provide numerical answer in gal/s)
Suppose a 32.0 kg child sits 1.37 m to the left of center on the same seesaw as the problem you just solved. A second child sits at the end on the opposite side, Find the normal force acting at the pivot point
The frequencies of the spectral lines in light from a distant galaxy are found to be two-thirds as great as those of the same lines in light from nearby stars. Find the recession speed of the distant galaxy
A cannon ball is fired at a wall located 450 meters away. The initial horizontal component of the balls velocity is 90 m/s and it's initial angle is 24 degrees. How long does it take for the ball to reach the wall
A manager of a restaurant pushes horizontally with a force of magnitude 150 N on a box of melons. The box moves across the floor with a constant acceleration in the same direction as the applied force.
an australian emu is running due north in a straight line at a speed of 13.0 ms and slows down to a speed of 9.90 ms in
A particle that has an 8.2- micro-coulomb charge moves with a velocity of magnitude 5.0 x 10^5 m/s along the +x-axis . It experiences no magnetic force , although there is a magnetic field present
A lumberjack (mass = 98 kilogram) is standing at rest on one end of a floating log (mass = 245 kilogram) that is also at rest. Find the velocity of the second log if the lumberjack comes to rest on it
the current density in a 2.8 μm thick x 75 μm wide gold long film is 750,000 A/m^2. The current flows along the length of the film. Calculate what is the current in the film
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