Thinking Like an Engineer: An Active Learning Approach (4th Edition)
Thinking Like an Engineer: An Active Learning Approach (4th Edition)
4th Edition
ISBN: 9780134639673
Author: Elizabeth A. Stephan, David R. Bowman, William J. Park, Benjamin L. Sill, Matthew W. Ohland
Publisher: PEARSON
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Chapter 7, Problem 26ICA

Football helmet safety is a current focus of research by engineers. To measure concussions, engineers are manufacturing helmets with force sensors to signal possible concussions. It is known that some players will experience up to 2000 of these potential concussion blows each season. To model the concussion effect on the brain, the following equations are considered. Indicate if each equation form is dimensionally consistent. More than one equation listed may be dimensionally consistent.

a. P = F V P = pressure [ = ] pascal [ pa ] F = force  [ = ] newton [ n ] V = v o l u m e [ = ] gallons [ gal ]

b. P v = F f F i P = power [=] watt [W] F = force [=] newton [N]; f = final, i = initial

v = velocity [ =] meters per second [m/ s]

c. p = F v P =dynamic viscosity [=] poise [g/ (cm s)] F =force[=] newton [N]

V =voltage [ =] volts [V]

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Chapter 7 Solutions

Thinking Like an Engineer: An Active Learning Approach (4th Edition)

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One...Ch. 7 - The Earth's escape velocity is 7 miles per second...Ch. 7 - A manufacturing process uses 10 pound-mass of...Ch. 7 - CA 7-23 Determine the fundamental dimensions of...Ch. 7 - Determine the fundamental dimensions of the...Ch. 7 - Identify the following quantities through the use...Ch. 7 - Football helmet safety is a current focus of...Ch. 7 - For each equation listed, indicate if the equation...Ch. 7 - What are the dimensions of the coefficient (k) in...Ch. 7 - When shipping freight around the world, most...Ch. 7 - A circular window has a 10-inch [in] radius. 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