Concept explainers
Write a model (in terms of s only) for the power needed to keep the bicycle moving at a speed s on the level ground. Find the power needed to keep the bicycle moving at 10 miles per hour.
The power needed to keep the bicycle moving at 10 miles per hour is given by
Given:
P is power in horsepower; s is the speed in miles per hour and F is the force is pounds.
Calculation:
It has been given that
The model for the power needed to keep the bicycle moving at a speed s on the level ground is given by
Substitute
Therefore, the power needed to keep the bicycle moving at 10 miles per hour is given by
Chapter 2 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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