A feather and a coin dropped in a vacuum fall with equal
A) forces.
B) momenta.
C) accelerations.
D) kinetic energies.
E) none of the above
C
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Many of the world's megacities
A) hold half of the world's population. B) are declining in population. C) are more populated than about half of the countries in the United Nations. D) follow the rank-size rule. E) are gateway cities.
A 10-kg block with an initial velocity of 10 m/s slides 10 m across a horizontal surface and comes to rest. It takes the block 2 s to stop. The stopping force acting on the block is about
A) 5 N. B) 10 N. C) 25 N. D) 50 N. E) none of the above
What economic advantages would break-of-bulk points offer to local populations?
What will be an ideal response?
The climate classification system Geosystems uses is based not only on temperature and precipitation measurements, but also causative factors. This is an example of a(n)
A) genetic classification. B) empirical classification. C) combined classification.