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A piece of Nichrome wire has a radius of 6.00 10-4 m.
It is used in a laboratory to make a heater that uses 4.00 102 W ofpower when connected to a voltage source of 120 V.
Ignoring the effect of temperature on resistance, estimate the necessary length of wire.
A cable passes over a pulley. The cable does not slip on the pulley, and the tension in the cable is not the same on opposite sides of the pulley. determine its angular acceleration
A potter's wheel moves uniformly from rest to an angular speed of 0.19 rev/s in 34.0 s. Find its angular acceleration in radians per second
A baseball player loosening up his arm before a game tosses a 0.149-kg baseball, Find the constant angular acceleration of the arm and ball
A Michelson interferometer uses light from glowing hydrogen at 486.6nm. As you move one mirror, 555 bright fringes pass a fixed in the viewer
A small ball of 53 grams is suspended from a string of length 86 centimeters and whirled in a circle lying in the horizontal plane. If the string makes and angle of 31 degrees with the vertical, find out the centripetal force experienced by the ball...
On a summer morning in July in Houston Texas, the temperature is 80°F. A painter fills a 5.0 gallon aluminum container to the brim with turpentine. How much fluid spilled out of the container
A mortar* crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action. How long will the mortar shell remain in the air
During a test, a NATO surveillance radar system, operating at 12 GHz at 155 kW of power, The aircraft reflects radar waves as though it has a cross-sectional area of only 0.22 m2. What is the power of the aircraft's reflection
The speed of the fastest-pitched baseball was 41.0 m/s, and the ball's mass was 145 g. How many joules of kinetic energy did this ball have
What is the magnitude of the force that each sphere experiences, and is the force attractive or repulsive?(b) The spheres are brought into contact and then separated to adistance of 2.10 cm. Determine themagnitude of the force that each sphere now ..
A model-train transformer plugs into 120-V ac and draws 0.41A while supplying 7.8A to the train. Is the transformer step-up or step-down
What is the magnitude of the force on an electron that is in the region between the plates at a point accurately 2.52 mm from the positive plate
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