A person of initial mass 70. kg climbs a stairway, rising 6.0 m in elevation. By how much does his mass increase by virtue of his increased potential energy?
What will be an ideal response?
4.6 × 10-14 kg
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For an electron transition to be allowed on an atom with a missing core electron, the angular momentum quantum number (l) must change by + or – _________.
Fill in the blank(s) with the appropriate word(s).
A force acts on an object for a time. If one eighth the force had acted for twice as long, the impulse would have been ________ as much as before.
What will be an ideal response?
The troposphere derives energy by means of
a. latent heat of condensation only. b. absorption of terrestrial radiation only. c. conduction from Earth's surface only. d. all of these.
If the potential difference across a capacitor is doubled, what happens to the energy stored?
1.It becomes four times larger. 2.It becomes two times larger. 3.It is unchanged. 4.It becomes one-half as large. 5.It becomes one-fourth as large.