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A coil of Nichrome wire is 31.0 m long. The wire has a diameter of 0.360 mm and is at 20.0°C.
(a) If it carries a current of 0.580 A, what is the magnitude of the electric field in the wire?
(b) If it carries a current of 0.580 A, what is the power delivered to it?
(c) If the temperature is increased to 360°C and the potential difference across the wire remains constant, what is the power delivered?
if the barge can only be pushed 20-cm deeper into the water before water overflows to sink it, how various 400-kg horses can it carry.
You place one end of the pole on a fence post and hold the other end of the pole 35 from its tip. Explain how much force must you exert to keep the pole motionless in a horizontal position?
The emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin temperature and approximate the human body by a rectangular block with a height of 1.58 m, Calculate the power emitted by the human body
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In exercise physiology studies, it is sometimes important to determine the location of a person's center of gravity. How far from the woman's feet is her center of gravity
What is the lower radiated from a nichrome wire 1.0 m long and 1.5 mm in diameter at a temperature of 900? C? The emissivity of nichrome at this temperature is 0,092.
on a part-time job you are asked to bring a cylindrical iron rod of density 7800kgm3 length 89.7cm and diameter 2.35cm
a pair of parallel plates is charged by a 12-v battery. if the electric field between the plates is 1200 n/c, how far apart are the plates
If the merry-go-round completes one revolution every 5.2 s, find out the angular speed and the linear speed of each child.
a horizontal circular platform rotates counterclockwise about its axis at the rate of 0.805 rad/s. You, with a mass of 67.3 kg, Calculate the total angular momentum of the system
a particle moves along a straight line with an acceleration of a 2pi 2s23 3s58 ms2 where s is in meters. determine
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