Wooden block of a ballistic pendulum
A 2.50 g bullet, traveling at a speed of 395 m/s, strikes the wooden block of a ballistic pendulum, such as that in the figure below. The block has a mass of 265 g. How high does the combination rise above its initial position?
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Lipitor,a pharmaceutical drug that has been shown to lower "bad"cholesterol levels while raising "good" cholesteral levels inpatients taking the drug, had over $11 billion in sales in 2006.Assuming one 2.5-g pill contains 4.0% of the active ingred
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