1. A square field measuring 100.0 m by 10o.o m has an area of 1.00hectare. An acre has an area of 43,600 ft?. If a country lot has anarea of 12.0 acres, what is the area in hectares?2. The following conversions occur frequently in physics and are veryuseful. (a) Use 1 mi = 5280 ft and 1 h= 3600 s to convert 60 mph tounits of ft/s. (b) The acceleration of a freely falling object is 32 ft/s?.Use 1 ft = 30.48 cm to express this acceleration in units of m/s2. (c)The density of water is 1.0 g/cm3. Convert this density to units ofkg/m³.

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A square field measuring 100.o m by 100.0 m has an area of 1.00 hectare. An acre has an area of 43,600 ft². If a country lot has an area of 12.0 acres , what is the area in hectares?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

1. A square field measuring 100.0 m by 10o.o m has an area of 1.00
hectare. An acre has an area of 43,600 ft?. If a country lot has an
area of 12.0 acres, what is the area in hectares?
2. The following conversions occur frequently in physics and are very
useful. (a) Use 1 mi = 5280 ft and 1 h= 3600 s to convert 60 mph to
units of ft/s. (b) The acceleration of a freely falling object is 32 ft/s?.
Use 1 ft = 30.48 cm to express this acceleration in units of m/s2. (c)
The density of water is 1.0 g/cm3. Convert this density to units of
kg/m³.

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