The force, F, exerted by the wind on a plane surface varies jointly with the square of the velocity, v, of the wind and with the area, , of the plane surface. If the area of the surface is 27 square feet and the wind velocity is 12 miles per hour, the resulting force is 18 pounds. Find the force on a surface of 32 square feet with a velocity of 15 miles per hour. Round the answer to the nearest tenth of a pound. 26.7 pounds 31.6 pounds 33.3 pounds 28.1 pounds
The force, F, exerted by the wind on a plane surface varies jointly with the square of the velocity, v, of the wind and with the area, , of the plane surface. If the area of the surface is 27 square feet and the wind velocity is 12 miles per hour, the resulting force is 18 pounds. Find the force on a surface of 32 square feet with a velocity of 15 miles per hour. Round the answer to the nearest tenth of a pound. 26.7 pounds 31.6 pounds 33.3 pounds 28.1 pounds
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
The force, F, exerted by the wind on a plane surface varies jointly with the square of the velocity, v, of the wind and with the area, , of the plane surface. If the area of the surface is 27 square feet and the wind velocity is 12 miles per hour, the resulting force is 18 pounds.
Find the force on a surface of 32 square feet with a velocity of 15 miles per hour. Round the answer to the nearest tenth of a pound.
-
26.7 pounds
-
31.6 pounds
-
33.3 pounds
-
28.1 pounds
![Compute the average rate of change in the function f(x)= x³ + 7x²-12 on
the interval [4, 6].
O 146 units of ffor every one-unit increase in x
O-146 units of ffor every one-unit increase in x
310 units of ffor every one-unit increase in x
O-310 units of ffor every one-unit increase in x](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F95d97c5e-3d5e-4312-8094-1e594bc4d0ee%2F3326c663-9e00-48d3-b673-be59d8263e04%2Fenbci58_processed.png&w=3840&q=75)
Transcribed Image Text:Compute the average rate of change in the function f(x)= x³ + 7x²-12 on
the interval [4, 6].
O 146 units of ffor every one-unit increase in x
O-146 units of ffor every one-unit increase in x
310 units of ffor every one-unit increase in x
O-310 units of ffor every one-unit increase in x
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