Ice cubes submerged at the bottom of a liquid indicate that the liquid
A) produces insufficient buoyant force on the ice.
B) is warmer than the ice.
C) is only partly displaced by the submerged ice.
D) is less dense than ice.
Answer: D
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A(n) ____ orbit is one where the orbiting object is always above the same location on Earth's surface
a. elliptical b. geosynchronous c. closed d. hyperbolic e. parabolic
Proportional Reasoning: Two cars are traveling at the same speed and hit the brakes at the same time. Car A decelerates (decreases its velocity) at twice the rate of car B. If car B takes time T to stop, how long does it take car A to stop?
A. 4T B. 2T C. T D. T /2 E. T/4
Which force holds the quarks together within a proton?
a) Gravity, through exchange of gravitons. b) Proton/neutron mutual attraction forces. c) The 'strong' force, through exchange of gluons. d) Electromagnetic, through exchange of photons. e) The 'weak' force, through nuclear decay.
The largest shield volcano yet discovered is:
A) Maxwell Mons on Venus. B) Kilimanjaro on Earth. C) Olympus Mons on Mars. D) Prometheus on Io. E) Caloris on Mercury.