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Physics / University Physics with Modern Physics (1) 14 / Chapter 1 / Problem 1.14

University Physics with Modern Physics (1) | 14th Edition | ISBN: 9780321973610 | Authors: Hugh D. Young Roger A. Freedman

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Answer: With a wooden ruler, you measure the length of a

Chapter 1, Problem 1.14

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QUESTION:

With a wooden ruler, you measure the length of a rectangular piece of sheet metal to be 12 mm. With micrometer calipers, you measure the width of the rectangle to be 5.98 mm. Use the correct number of significant figures: What is (a) the area of the rectangle; (b) the ratio of the rectangles width to its length; (c) the perimeter of the rectangle; (d) the difference between the length and the width; and (e) the ratio of the length to the width?

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QUESTION:

With a wooden ruler, you measure the length of a rectangular piece of sheet metal to be 12 mm. With micrometer calipers, you measure the width of the rectangle to be 5.98 mm. Use the correct number of significant figures: What is (a) the area of the rectangle; (b) the ratio of the rectangles width to its length; (c) the perimeter of the rectangle; (d) the difference between the length and the width; and (e) the ratio of the length to the width?

ANSWER:

Step 1 of 5

The length of the rectangular sheet of metal,

The width of the metal piece,

The area of the metal piece is given by,

On substituting the known values,

Thus the area of the metal piece is

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