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2. A mass-spring system oscillates with a frequency of 20 Hz. What is the period?
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You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.
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Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. intensity c. wavelength d. brightness
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2. A mass-spring system oscillates with a frequency of 20 Hz. What is the period?...
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