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Use the model given to answer the questions about the object or process being modeled. The power $P$ measured in horsepower (hp) needed to drive a certain ship at a speed of $s$ knots is modeled by$$P=0.06 s^{3}$$a. Find the power needed to drive the ship at 12 knots.b. At what speed will a 7.5 -hp engine drive the ship?a. Find the power needed to drive the ship at 12 knots.b. At what speed will a 7.5 -hp engine drive the ship?

$4 \cdot 886$

Algebra

Chapter 0

Prerequisites

Section 1

Modeling the Real World with Algebra

Equations and Inequalities

Campbell University

Oregon State University

Harvey Mudd College

Baylor University

Lectures

02:33

Using Models Use the model…

01:18

Power Needed to Propel a B…

02:55

02:48

01:22

02:10

solve the given applied pr…

01:14

The horsepower $P$ needed …

02:11

Auto mechanics use the fol…

So Hellestrae now very good. Understands coercion The power bi Mr. By hospital. It's be needed to drive exigency at a speed off s notes this mortal way. So this is more little by judo 0.6 sq and it it is given. Yes, it is given well north. No, Find the power. So be equal to 0.6 and s Hotel cube now calculated one Geo three point Joe six hospital at speak. No, B Where What is Sweet Bill? A 7.5 hp engine. Drive the city. So we need to find s here. Does it be equal? Given 7.5 that speaks No. Find, uh, s be equal to 0.6 Ask you so I need to find sq bia. We already given 7.5. It's called a 0.6 Ask you So you'll gladly ask you This is Sq equal toe Jiro. So 7.5 up on judo point. Judo six, which is equal to sq, which is equal to 1 25 So equal toe fight knots. So this is it. Speed. But a choir regenerate Violent 7.5. How spot

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