Determining the potential difference between the bird feet
A bird sits on a high-voltage power line with its feet 5.0 cm apart. The wire is made from aluminum, is 3.0 cm in diameter, and carries a current of 160 A. What is the potential difference between the bird's feet?
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What is the maximum current that can be passed through the rods, in the same direction, before he is forced to yield? The same amount of current flows through both rods.
Suppose the mean radius of a planet is 6.79 *10^6 m, and that of its moon is 1.80 * 1^8 cm. Find the ratio of the planet's surface area to that of its moon
Describe some of the benefits associated with the experience of positive emotions. Do men and women differ with respect to their experience of negative emotions?
What is the one thing that all large states, past or present, irrespecitve of other differences among them, share in common?
A proton is projected perpendicularly into a magnetic field that has a magnitude of 0.30 T. The field is then adjusted so that an electron will follow a circular path of the same radius when it is projected perpendicularly into the field with the
The average distance it travels before decaying as measured by an observer on Earth? (c) What distance would it travel is time dilation did not occur?
A 66-kg person on skis is going down a hill sloped at 30° from the horizontal. The coefficient of friction between the skis and the snow is 0.19. What would be the magnitude of the acceleration?
A 218 kg baby elephant is being lifted upward by cable into a helicopter. The upward acceleration of the elephant is 2.97 m/s2. Calculate the tension in the cable.
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