4. The smallest unit on a ruler is 1mm. Two students measured the width of awooden block and recorded them as 5.25 cm and 5.27 cm.Analyze the data gathered. Are these two equally precise?Comment.5. Can measurements be accurate but not precise? Justify your answer by citing aspecific example.

In this, there are more than one questions and it is not specified that which question is to be…

Answered: 4. The smallest unit on a ruler is 1mm.…

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Introduction

Section: Chapter Questions

Problem 6WUE: A rectangular airstrip measures 32.30 m by 210 m, with the width measured more accurately than the...

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Answer each question yes or no. Must two quantities have the same dimensions (a) if you are adding them? (b) If you are multiplying them? (c) If you are subtracting them? (d) If you are dividing them? (e) If you are equating them?
One gallon of paint (volume = 3.79 103 m3) covers an area of 25.0 m2. What is the thickness of the fresh paint on the wall?
The Hoover Dam Bridge connecting Arizona and Nevada opened in October 2010 ( Fig. 1.18). It is the highest and longest arched concrete bridge in the Western Hemisphere, rising 890 ft above the Colorado River and extending 1900 ft in length. What are these dimensions in meters? Figure 1.18 High and Wide An aerial view of the new four-lane Hoover Dam Bridge between Arizona and Nevada with the Colorado River beneath (as seen from behind the dam). See Exercise 16.
A house is advertised as having 1 420 square feet under roof. What is the area of this house in square meters? (Sec Section 1.5.)
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Answer each question yes or no. Must two quantities have the same dimensions (a) if you are adding them? (h) If you are multiplying them? (c) If you are subtracting them? (d) If you are dividing them? (e) If you are equating them?
A rectangular airstrip measures 32.30 m by 210 m, with the width measured more accurately than the length. Find the area, taking into account significant figures. (See Section 1.4.)
A house is 50.0 ft long and 26 ft wide and has 8.0-ft- high ceilings. What is the volume of the interior of the house in cubic meters and in cubic centimeters?
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If you live in the United States, you probably know your height in feet and inches. In other countries, metric units are commonly used for measuring such quantities. First, find your height in inches. Then determine your height in a. centimetens and b. meters
Assume it takes 7.00 min to fill a 30.0-gal gasoline tank. (a) Calculate the rate at which the tank is filled in gallons per second. (b) Calculate the rate at which the tank is filled in cubic meters per second. (c) Determine the time interval, in hours, required to fill a 1.00-m3 volume at the same rate. (1 U.S. gal = 231 in.3)

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4. The smallest unit on a ruler is 1mm. Two students measured the width of a wooden block and recorded them as 5.25 cm and 5.27 cm. Analyze the data gathered. Are these two equally precise? Comment.