It takes 20.0 s for a exponentially damped harmonic oscillator to have its amplitude decrease from its initial value to one-half the initial value
How long does it take the amplitude to decrease from its initial value to one-fourth the initial value?
A)
40.0 s
B)
60.0 s
C)
50.0 s
D)
80.0 s
E)
30.0 s
A
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A) 400 km B) 1000 km C) 100 km D) 1.8 km E) 200 km
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a. cm ln(T2/T1) b. cm (T2/T1) c. cm (T2 ? T1)/T1 d. cm (T2 ? T1)/T2 e. cm (T2 ? T1)/(T2 + T1)
The Earth rotates 360 degrees on its axis
twice a day such that the Sub rises in the West and sets in the East. once a day such that the Sun rises in the East and sets in the West. twice a day such that the Sun rises in the East and sets in the West. once a day such that the Sun rises in the West and sets in the East.
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