Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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5. The minimum braking distance d in feet for a properly loaded truck on dry concrete is approximated by the
function d(v) = 0.065v, where v is the vehicle's speed in miles per hour. If the truck is overloaded, the
braking-distance function is d,(v) = 0.078v. What kind of transformation describes this change, and what
%3D
does the transformation mean?
The value of a has increased from 0.065 to 0.078. The increase indicates a vertical stretch
by a factor of 1.2. Thus, an overloaded truck takes about 1.2 times as many feet to stop as
a properly loaded truck.
b. The value of a has increased from 0.065 to 0.078. The increase indicates a horizontal
stretch by a factor of 1.2. Thus, an overloaded truck takes about 1.2 times as many feet to
stop as properly loaded truck.
The value of a has increased from 0.065 to 0.078. The increase indicates a vertical stretch
by a factor of 1.2. Thus, a properly loaded truck takes about 1.2 times as many feet to stop
as an overloaded truck.
d. The value of a has increased from 0.065 to 0.078. The increase indicates a horizontal
stretch by a factor of 1.2. Thus, a properly loaded truck takes about 1.2 times as many
feet to stop as an overloaded truck.
a.
C.
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Transcribed Image Text:5. The minimum braking distance d in feet for a properly loaded truck on dry concrete is approximated by the function d(v) = 0.065v, where v is the vehicle's speed in miles per hour. If the truck is overloaded, the braking-distance function is d,(v) = 0.078v. What kind of transformation describes this change, and what %3D does the transformation mean? The value of a has increased from 0.065 to 0.078. The increase indicates a vertical stretch by a factor of 1.2. Thus, an overloaded truck takes about 1.2 times as many feet to stop as a properly loaded truck. b. The value of a has increased from 0.065 to 0.078. The increase indicates a horizontal stretch by a factor of 1.2. Thus, an overloaded truck takes about 1.2 times as many feet to stop as properly loaded truck. The value of a has increased from 0.065 to 0.078. The increase indicates a vertical stretch by a factor of 1.2. Thus, a properly loaded truck takes about 1.2 times as many feet to stop as an overloaded truck. d. The value of a has increased from 0.065 to 0.078. The increase indicates a horizontal stretch by a factor of 1.2. Thus, a properly loaded truck takes about 1.2 times as many feet to stop as an overloaded truck. a. C. Sign out
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