The maximum number of hours per week to safely mow lawns without ear protection.
Answer to Problem 41R
The total number of hours is
Explanation of Solution
Given:
It is given that the lawn mower produces 100 dB sound and time permitted per day by the federal is t = 2hrs.
Formula used:
A week consists of 7days. Hence, number of hours the lawn mower can safely mow in two weeks is,
T = 7× t …… (1)
Calculation:
Substitute t =2 hours in equation (1)
Conclusion:
Hence, the total number of hours is
Chapter 10 Solutions
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
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