A certain electric furnace consumes 24 kW when it is connected to a 240-V line. What is the resistance of the furnace?
A) 1.0 k?
B) 10 ?
C) 2.4 ?
D) 0.42 ?
E) 100 ?
C
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Indicate whether the statement is true or false
Which of the following explains why, a million years from now, Alpha Centauri will no longer be the nearest star system to our own?
A) Earth rotates once each day. B) Earth orbits the Sun once each year. C) The direction of Earth's axis in space precesses with a period of about 26,000 years. D) Stars appear to move randomly relative to our Sun in the local solar neighborhood. E) The universe is expanding.
A spaceship carrying a light clock moves at a speed of 0.960c relative to an observer on Earth. Relative to a frame of reference that is fixed with respect to Earth, how long does it take the clock on the ship to advance 1.00 s?
A) 0.960 s B) 1.22 s C) 2.59 s D) 3.57 s E) 5.83 s
Indicators of Slope Failure
What will be an ideal response?