Kinetic energy
A. Depends only on the mass of the object
B. Depends on the speed and the mass of the object
C. Depends on only the speed of the object
D. Is not in this chapter
Ans: B. Depends on the speed and the mass of the object
Physics & Space Science
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When you rub your hands together, you
A) can push harder on one hand than the other. B) cannot push harder on one hand than the other. C) need more information
Physics & Space Science
Compared with a mercury barometer, the column height for a water barometer would be
A) lower. B) higher. C) the same.
Physics & Space Science
A 12.6-V battery supplies a 2.0-A current for 2.0 minutes. What is the work done by the battery during this process?
a. 0 J c. 2.5 × 10^2 J b. 3.0 × 10^3 J d. 1.5 × 10^4 J
Physics & Space Science
The bond in table salt (NaCl) is:
a. polar b. ionic c. covalent d. double e. nonpolar
Physics & Space Science