Fragments of rocks formed due to erosion settle out to form layers of
A) sediment
B) precipitate
C) deposit
D) residuum
A
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The motion of a piston in an auto engine is simple harmonic. If the piston travels back and forth over a distance of 10 cm, and the piston has a mass of 1.5 kg, what is the maximum speed of the piston and the maximum force acting on the piston when the engine is running at 4 200 rpm?
What will be an ideal response?
The percentage by mass of hydrogen in methane, CH4, is about
a. 25%. b. 75%. c. 80%. d. 20%.
Neptune may have more atmospheric activity than Uranus because it:
A) lacks an inclined magnetic field. B) contains 1.5 times less methane. C) has minimal cloud formations. D) has more heat flowing out of its interior.
A very light 1.00-m wire consists of two segments of equal length, one of steel (Young's modulus is 2.00 × 1011 N/m2 )
and one of brass (Young's modulus is 9.0 × 1010 N/m2 ). The steel segment is 1.50 mm in diameter, and the brass segment has twice this diameter. When a weight w is hung from the ceiling by this wire, the steel segment stretches by 1.10 mm. Find the weight w. A) 190 N B) 390 N C) 780 N D) 1000 N E) 3100 N