An airplane travels 80 m/s as it makes a horizontal circular turn which has a 0.80-km radius. What is the magnitude of the resultant force on the 75-kg pilot of this airplane?
a. 0.69 kN
b. 0.63 kN
c. 0.66 kN
d. 0.60 kN
e. 0.57 kN
d
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Which of the following is not true about cold-work?
(a) It increases strength. (b) It produces a good surface finish. (c) It increases ductility. (d) It provides good dimensional tolerance.
Wire A has a diameter half that of B but is otherwise identical. The electric field acting in each has the same magnitude. How do the currents flowing through these two wires compare?
F. Other (specify)
T. It is impossible to say given the provided information
The Otto cycle has how many strokes per cycle during which the volume decreases?
A) 8 B) 4 C) 2 D) 1 E) 3
When rubbing two insulators together, the one that gets a positive charge has had
A. protons added. B. protons removed. C. electrons added. D. electrons removed. E. electrons added and protons removed.