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Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
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What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?
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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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A student walks 30 feet to the right. Then walks 10 feet to the left. Then walks 20 feet to the righ...
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