Butadiene rubber has a very low tensile strength; therefore, it is primarily used as a(n) _________.
Fill in the blank(s) with the appropriate word(s).
copolymer
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Claims that appear to be pseudoscience should be
A. accepted if it is said to have scientific validity B. tested experimentally C. accepted if promoted by news media D. all of the above
A sound with ten times the amplitude of another sound is judged to be ten times as loud
a. True b. False Indicate whether the statement is true or false
Pressure is
A) proportional to both force and area. B) proportional to force and inversely proportional to area. C) inversely proportional to force and proportional to area. D) inversely proportional to both force and area. E) proportional only to area.
Constant Acceleration Kinematics: Starting from rest, a dragster travels a straight 1/4 mi racetrack in 6.70 s with constant acceleration. What is its velocity when it crosses the finish line?
A. 269 mi/h B. 188 mi/h C. 296 mi/h D. 135 mi/h