An ideal diameter d, in feet, of a ship's propeller is given by the formula d = ch1/5r−3/5. Here h is the horsepower of the engine driving the propeller, r is the (maximum) number of revolutions per minute of the propeller, and c is a constant. In both parts, give your answer in terms of a percentage. (Round your answers to two decimal places.) (a) If the horsepower is increased by 30% while the number of revolutions per minute remains the same, how is the propeller diameter affected? The propeller diameter ____ increases decreases by ______ %. (b) If the horsepower remains the same while the number of revolutions per minute is increased by 30%, how is the propeller diameter affected? The propeller diameter ______ increases decreases by _____ %.
An ideal diameter d, in feet, of a ship's propeller is given by the formula d = ch1/5r−3/5. Here h is the horsepower of the engine driving the propeller, r is the (maximum) number of revolutions per minute of the propeller, and c is a constant. In both parts, give your answer in terms of a percentage. (Round your answers to two decimal places.) (a) If the horsepower is increased by 30% while the number of revolutions per minute remains the same, how is the propeller diameter affected? The propeller diameter ____ increases decreases by ______ %. (b) If the horsepower remains the same while the number of revolutions per minute is increased by 30%, how is the propeller diameter affected? The propeller diameter ______ increases decreases by _____ %.
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter47: Applications Of Formulas To Cutting Speed, Revolutions Per Minute, And Cutting Time
Section: Chapter Questions
Problem 36A: Compute the following problems. Express the answers to the nearest whole number. Use N=12C3.1416D or...
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An ideal diameter d, in feet, of a ship's propeller is given by the formula
d = ch1/5r−3/5.
Here h is the horsepower of the engine driving the propeller, r is the (maximum) number of revolutions per minute of the propeller, and c is a constant. In both parts, give your answer in terms of a percentage. (Round your answers to two decimal places.)
(a) If the horsepower is increased by 30% while the number of revolutions per minute remains the same, how is the propeller diameter affected?
(b) If the horsepower remains the same while the number of revolutions per minute is increased by 30%, how is the propeller diameter affected?
The propeller diameter ____ increases decreases by ______ %.
(b) If the horsepower remains the same while the number of revolutions per minute is increased by 30%, how is the propeller diameter affected?
The propeller diameter ______ increases decreases by _____ %.
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