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A sheet of lead is heated up from 72.9 °C to 128 °C. How many percent has its area increased?
Answers: 2
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The place you get your hair cut has two nearly parallel mirrors 6.00 m apart. as you sit in the chair, your head is 2.00 m from the nearer mirror. looking toward this mirror, you first see your face and then, farther away, the back of your head. (the mirrors need to be slightly nonparallel for you to be able to see the back of your head, but you can treat them as parallel in this problem.) how far away does the back of your head appear to be?
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Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?
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Which of the following list the divisions of the geologic time scale in order from longest to shortest
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A sheet of lead is heated up from 72.9 °C to 128 °C. How many percent has its area increased?...
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