The amplitude of a system moving with simple harmonic motion is doubled. The total energy will then be
a. 4 times as large.
b. 3 times as large.
c. 2 times as large.
d. the same as it was.
e. half as much.
a
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Which adjective does not necessarily describe a known feature of the early universe? (Be sure to consider the universe as a whole, not just the observable universe.)
A) filled with intense radiation B) hot C) dense D) small
In the context of neutron stars, if pulses from pulsars are no longer than 0.001 second, then the objects are larger than 0.001 light-second, or 300 km in diameter
Indicate whether the statement is true or false
An LCR circuit has resistance R0, inductance L0, and capacitance C0 . If the resistance value is now tripled, which values of inductance and capacitance will result in the same resonant frequency as before
a. 3L0, C0 c. 3L0, 3C0 b. L0/3, C0/3 d. 3L0, C0/3
Which of the following numbers is the largest?
A) 23.62 × 108 B) 0.36 × 109 C) 4.35 × 1010 D) 0.056 × 1011