A balloon will stick to a wooden wall if the balloon is charged
A) negatively.
B) positively.
C) either of these
D) neither of these
Answer: C
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Snell's Law: Light goes from material having a refractive index of n1 into a material with refractive index n2. If the refracted light is bent away from the normal, what can you conclude about the indices of refraction?
A. n1 > n2 B. n1 ? n2 C. n1 < n2 D. n1 ? n2 E. n1 = n2
A 3.0-kg and a 5.0-kg box rest side-by-side on a smooth, level floor. A horizontal force of 32 N is exerted on the 5.0-kg box pushing it against the 3.0-kg box, and, as a result, both boxes slide along the floor
How hard do the two boxes push against each other? A) 12 N B) 20 N C) 24 N D) 32 N E) 0 N
The uncertainty principle states that a particle cannot be precisely localized
Indicate whether the statement is true or false
_____ is a method for expressing very large or very small numbers by using powers of 10
A) Scientific notation B) The octal numeral system C) The binary number system D) Theoretical notation