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Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter1: A Physics Toolkit

Section: Chapter Questions

Problem 45A

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Similar questions

Write the following quantities in standard units. (a) 0.55 Ms (b) 2.8 km (c) 12 mg (d) 100 cm
In general, when a derived unit becomes complicated (involves too many standard units), what is done?
In a football game, you often hear the expression first and 10 (yards). How would you express this measurement in meters to a friend from Europe?
A standard unit must have what characteristics?
A popular saying is Give him an inch, and hell take a mile. What would be the equivalent saying using comparable metric units?
The following lengths are given in meters. Use metric prefixes to rewrite them so the numerical value is bigger than one but less than 1000. For example, 7.9102m could be written either as 7.9cm or 79mm . (a) 7.9107m : (b) 0.0074m ; (c) 8.81011m : (d) 1.631013m .
Fill in the blanks with the correct numbers for the metric prefixes. (a) 40,000,000 bytes = ___ Mb (b) 0.5722 L = ___ mL (c) 540.0 m = ___ cm (d) 5,500 bucks = ___ kilobucks
State how many significant figures are proper in the results of the following calculations: (a) (106.7)(98.2)/(46.210)(1.01) (b) (18.7)2 (c) (1.601019)(3712)
Carry out the arithmetic operations (a) the sum of the measured values 756, 37.2, 0.83, and 2; (b) the product 0.003 2 356.3; and (c) the product 5.620 .
Which of the following metric prefixes is the smallest? (a) micro- (b) centi- (c) nano- (d) milli-
KEY TERMS 1. science (1.1) 2. scientific method (1.2) 3. standard unit (1.4) 4. system of units 5. metric system 6. British system 7. length 8. meter 9. mass 10. kilogram 11. time 12. second 13. mks 14. SI 15. mega- (1.5) 16. kilo- 17. centi- 18. milli- 19. liter 20. derived units (1.6) 21. density 22. conversion factor 23. significant figures (1.7) For each of the following items, fill in the number of the appropriate Key Term from the preceding list. a. _____ V = 10 cm 10 cm 10 cm
Units and Standards Identify some advantages of metric units.

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What do you think is the importance of scientific notation in writing the magnitude of measurements?