If one could transport a simple pendulum of constant length from the Earth's surface to the Moon's, where the acceleration due to gravity is one-sixth (1/6) that on the Earth, by what factor would the pendulum frequency be changed?
a. about 6.0
b. about 2.5
c. about 0.41
d. about 0.17
c
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Simple Harmonic Motion: If the amplitude of the motion of a simple harmonic oscillator is doubled, by what factor does the maximum speed of the oscillator change?
A. 2 B. 4 C. It does not change. D. 1/2 E. 1/4
The pulsation in the luminosity of variable stars is driven by the changing opacity of their atmosphere.
Answer the following statement true (T) or false (F)
Estimate the number of times an average person's heart beats in a lifetime. Assume the average heart rate is and a life span of 75 years
A) 3 × 109 beats B) 3 × 108 beats C) 3 × 1010 beats D) 3 × 107 beats
A boy on board a cruise ship drops a 30.0 gm marble into the ocean. If the resistive force proportionality constant is 0.500 kg/s, what is the terminal speed of the marble in m/s?
a. 0.147 b. 0.294 c. 0.588 d. 1.18 e. 2.35