Saturn is on average 10 AU from the sun. What is the approximate orbital period of Saturn?
a. 10 years
b. 32 years
c. 100 years
d. 1000 years
e. 1,000,000 years
B
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If the kinetic energy of a proton is 80% of its total energy, what is the speed of the proton?
A) 0.02c B) 1.0c C) 0.87c D) 0.98c
A plane flies directly between two cities, A and B, which are separated by 2300 mi. From A to B, the plane flies into a 65 mi/h headwind. On the return trip from B to A, the wind velocity is unchanged
The trip from B to A takes less than the trip from A to B. What is the airspeed of the plane, assuming it is the same in both directions? A) 530 mi/h B) 400 mi/h C) 480 mi/h D) 610 mi/h
An ionic compound formed from a cation other than H+ and an anion other than OH- is called a(n) ______________
Fill in the blank(s) with correct word
A cantilever beam with rectangular cross section (b 5 95 mm, h 5 300 mm) supports load P 5 160 kN at its free end. The ratio of the magnitudes of the principal stresses (?1/?2) at point A (at distance c 5 0.8 m from the free end and distance d 5 200 mm up from the bottom) is approximately:
(A) 5
(B) 12
(C) 18
(D) 25
