In which of the following cases does the automobile have an acceleration?
A) An auto rounding a curve at constant speed.
B) An auto moving along a straight (or steady) upward incline at constant speed.
C) Both of the above.
D) None of the above.
A
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In recent reports,(315-320,324) overfishing is cited as a cause for species' numerical collapse and possible forthcoming extinction. In b. and c., explain the parallelism or lack of parallelism with fishery management. a. What does this imply about human management of fishery resources? Cite specificinstances and consequences
b. Consider, for example, politicians dealing with mining. c. Consider, for example, politicians dealing with forestry.
How do disk stars orbit the center of the galaxy?
A) They all orbit in roughly the same plane and in the same direction. B) They have orbits randomly inclined and in different directions relative to the galactic center. C) They follow spiral paths along the spiral arms. D) They follow orbits that move up and down through the disk, typically taking them about 50,000 light-years above and below the disk on each orbit.
Once a planet forms in a disk-like nebula around a star, its orbit is fixed and will never change
Indicate whether the statement is true or false
When a boat sails from fresh water to salt water, the boat will float
A) lower in the water. B) higher in the water. C) at the same water level.