1. [10] When building a retaining wall, I had to fill a gap with average width 10.0 in., average depth 2.5 ft. and length 38.5 ft. with gravel. You may find the following conversion factors useful: 1ft. =12in., lyd. = 3ft., 1kg. = 2.21b... a. Compute the necessary volume of gravel in cubic yards and round your answer to the correct number of significant digits.

College Physics
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Author:Raymond A. Serway, Chris Vuille
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1. [10] When building a retaining wall, I had to fill a gap with average width 10.0 in., average depth 2.5 ft. and length 38.5
ft. with gravel. You may find the following conversion factors useful: 1ft. = 12in., lyd. = 3ft., lkg. = 2.21b..
a. Compute the necessary volume of gravel in cubic yards and round your answer to the correct number of significant
digits.
b. Given that course gravel as a density of about 2,500 lb/yd', compute the weight of the gravel and express your answer
in both pounds and Newtons. Round your answer to the correct number of significant digits.
Transcribed Image Text:1. [10] When building a retaining wall, I had to fill a gap with average width 10.0 in., average depth 2.5 ft. and length 38.5 ft. with gravel. You may find the following conversion factors useful: 1ft. = 12in., lyd. = 3ft., lkg. = 2.21b.. a. Compute the necessary volume of gravel in cubic yards and round your answer to the correct number of significant digits. b. Given that course gravel as a density of about 2,500 lb/yd', compute the weight of the gravel and express your answer in both pounds and Newtons. Round your answer to the correct number of significant digits.
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