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Question:
A power line carries 100 A at a height of 10 above the ground. What is the resutant magnitude of magnetic field at ground level?
find the electric potential difference vb - va due to a point charge q1 -2.79 nc that is 0.5 m from location a and 1.0
A thin spherical shell made of plastic carries a uniformly distributed negative charge -7e-10 coulombs (indicated as -Q1 in the diagram). Two large thin disks made of glass carry uniformly distributed positive and negative charges 1.7e-05 coulombs..
q1. three resistors are connected in series across a 15-v power supply. if the potential drop across resistors 1 and 2
A converging lens of focal length 7.550cm is 20.5cm to the left of a diverging lens of focal length -6.50cm, Find the magnification of the coins final image
A uniform electric field of magnitude 300 V/m is directed in the positive x direction. A +10.0 µC charge moves from the origin to thepoint (x, y) = (20.0 cm, 50.0 cm). What was the change in the potential energy of this charge?
A snowboarder of mass 82.0 kg (including the snowboard's mass) slides straight down a "double black diamond" hill. The hill is 45 metres in length and inclined at 40° below the horizontal. Determine the work done by the normal force
Given a water tank that is sitting on a black granite tabletop. The bottom of the tank is made of glass 3 cm. thick from glass by an index of refraction of 1.75. The tank has 10 cm. of water in it.
The drawing shows four point charges. The value of q is 4.0 ?C, and the distance d is 0.75 m. Discover the total potential at the location P. Suppose that the potential of a point charge is zero at infinity.
A fully charged capacitor with a voltage of 120 V is discharged through a resistor. At this time, what is the voltage across the resistor
A meter stick is freely pivoted about the 20cm mark. Find the frequency of the small amplitude oscillations
Ignoring respiratory and perspiration losses, determine the energy conversion efficiency of the muscular contractions.
A 145 kg object is taken to a height of 270 km above the Earth's surface. What is the object's weight at this height
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