An airfoil, or "wing" creates downward force on the rear of a car for increased traction allowing air with elevated pressure to contact a large area, resulting in a force. Suppose an airfoil is subjected to a pressure of 0.25 psi, and 100 pounds of downward force are desired. How large, in square inches, should the airfoil be?
What will be an ideal response?
400 in^2
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What are the dimensions of a standard cinder block?
What will be an ideal response?
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The decision on what is the "best buy" involves consideration of:
A) price. B) functional requirements. C) quantity required. D) all of the above
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Never use _____ to clean floors or parts.
What will be an ideal response?
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Which two hormones directly influence growth and development of the mammary gland?
A. Testosterone and estrogen B. Oxytocin and relaxin C. Estrogen and progesterone
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