A major factor limiting the use of single crystal gas turbine blades is ______________.
Fill in the blank(s) with the appropriate word(s).
cost
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A torque of 20.0 N•m is applied to a bolt. The bolt rotates through an angle of 180 degrees. The work done in turning the bolt is
A. 72.5 J. B. 51.9 J. C. 62.8 J. D. 49.9 J. E. 58.4 J.
A 1000-kg truck moving at 10 m/s that brakes to a stop in 5 s has an average braking force of
A) 1000 N. B) 2000 N. C) 3000 N. D) 4000 N. E) 5000 N.
A hollow sphere of negligible mass and radius R is completely filled with a liquid so that its density is ?. You now enlarge the sphere so its radius is 2R and completely fill it with the same liquid. What is the density of the enlarged sphere?
A) 8 ? B) 4 ? C) ?/2 D) ? E) ?/8
The fundamental particles that are the building blocks of hadrons are __________
Fill in the blank(s) with correct word