Asked by Jeremiah
The power P needed to propel a boat is directly proportional to the cube of the speed of the boat. A 100 hp engine is needed to propel a boat at 15 knots. Find the power needed to drive the boat at 20 knots.
Answers
Answered by
Anonymous
you are increasing speed by (20/15)
power= 100hp (20/15)^3
power= 100hp (20/15)^3
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