Fiber optics has to do with:
a. the color of fabrics.
b. light having fiber characteristics as well as wave and particle characteristics.
c. string theory.
d. none of the above.
d
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Most stars are single stars like our own.
Indicate whether the statement is true or false.
A segment of wire carries a current of 25 A along the x axis from x = -2.0 m to x = 0 and then along the z axis from z = 0 to z = 3.0m. In this region of space, the magnetic field is equal to 40 mT in the positive z direction. What is the magnitude of the force on this segment of wire?
a. 1.0 N b. 5.0 N c. 2.0 N d. 3.6 N e. 3.0 N
If tonight the phase of the moon is full when it rises, what will be the phase when the moon sets?
What will be an ideal response?
How many grams of sodium chloride are needed to make 15 L of a solution that has a concentration of 3.0 g per liter of solution?
A) 30 g B) 141 g C) 5 g D) 45 g