Which will remain the same for two identical books, one lying flat and the other standing on an end?
A) weight only
B) pressure only
C) both pressure and weight
D) none of the above
Answer: A
Physics & Space Science
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If the mass of a 1.0-kg book could be entirely converted into electrical energy, how many kW ? h of energy would that generate? (c = 3.0 × 108 m/s)
What will be an ideal response?
Physics & Space Science
The radius of Earth is about __________ mi
a. 6000 b. 8000 c. 4000 d. 2000
Physics & Space Science
What is the equivalent resistance between points a and b?
a.
14 ?
b.
8.0 ?
c.
6.0 ?
d.
25 ?
e.
40 ?
Physics & Space Science
The reflection of sound is
A) reverberation. B) an echo. C) a rare occurrence.
Physics & Space Science