What is the acceleration of a car that maintains a constant velocity of 100 km/h for 10 s?
A) 0 m/s2
B) 10 km/h/s
C) 10 m/s2
D) 1000 km/h/s
A
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A 1000-kg truck traveling at 10 m/s brakes to a stop in 5 s. Its average braking force is
A. 3000 N. B. 1000 N. C. 5000 N. D. 2000 N. E. 4000 N.
If a nucleus of Th absorbs a neutron and the resulting nucleus undergoes two successive beta decays (emitting electrons), what nucleus results?
A) Americium-232 B) Plutonium-232 C) Thorium-233 D) Uranium-233
Which of the following is an erosional feature of glaciers?
A)glacial erratics B)terminal moraines C)drumlins D)cirques E)eskers
Which activity is least likely to be involved with the sustainable management of freshwater fisheries?
A. supporting populations of commercial and sport fish species B. facilitating the introduction of commercially important nonnative species C. preventing overfishing D. building and stocking reservoirs and farm ponds E. controlling predators and parasites