Summary text and images and CTAs are used to answer a website visitor's ______ question.
A. Who?
B. What?
C. Why?
D. Where?
Answer: B
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Charges q and Q are placed on the x axis at x = 0 and x = 2.0 m, respectively. If q = ?40 pC and Q = +30 pC, determine the net flux through a spherical surface (radius = 1.0 m) centered on the origin.
A. ?9.6 N ? m2/C B. ?6.8 N ? m2/C C. ?8.5 N ? m2/C D. ?4.5 N ? m2/C E. ?1.1 N ? m2/C
According to the theory of relativity, the speed of light is absolute (meaning that everyone always measures it to have the same value)
Indicate whether the statement is true or false
The colors seen on the shiny side of a CD or DVD are due to
A. Simple reflections of light B. Colors embedded in the shiny coating C. Diffraction due to the holes in the coating D. Reflections from both surfaces of the disk.
According to Newton's Law of Universal Gravitation, if the Moon were three times further from Earth, the force by Earth on the Moon would:
A) increase by a factor of 3. B) decrease by a factor of 3. C) increase by a factor of 9. D) decrease by a factor of 9. E) stay the same.