A tire pressure gauge reads 30 psi when the atmospheric pressure is 14 psi. The net force on 2 square inches of the tire is __________
Fill in the blank(s) with correct word
60 lbs
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0 degrees Kelvin is
A) meaningless, a temperature outside the range defined for the Kelvin scale. B) the temperature at which all particles transform into light. C) the temperature at which all particles move at the speed of light. D) the temperature at which all random particle motion stops.
Using Maxwell's equations, the speed of light can be calculated using which of the following fundamental physical constants? Select the letter that most completely answers the question
The dark age started as the first stars began to form
Indicate whether the statement is true or false
Suppose a current-carrying wire has a cross-sectional area that gradually becomes smaller along the wire so that the wire has the shape of a very long, truncated cone. How does the drift speed vary along the wire?
1.It slows down as the cross section becomes smaller. 2.It speeds up as the cross section becomes smaller. 3.It doesn't change. 4.More information is needed.