Which has a greater value, a newton of gold won on Earth or a newton of gold won on the Moon?
1.the newton of gold on the Earth
2.the newton of gold on the moon
3.The value is the same, regardless.
2
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A _____ is a telescope designed to capture images of faint objects such as the corona of the Sun that are near relatively bright objects
A) compound telescope B) coronagraph C) corona loop D) filler telescope
A 2 kg ball is floating in water. The volume displaced by the ball is
A. 0.005
B. 0.004
C. 0.003
D. 0.002
E. 0.001
If in the future significant amounts of antimatter could be made, it might be prevented from annihilating with ordinary matter by containing it in
A) a magnetic field B) a gravitational filed C) an electric field D) a wormhole
Three engines operate between reservoirs separated in temperature by 300 K. The reservoir temperatures are as follows:
Engine A: Th 5 1 000 K, Tc 5 700 K Engine B: Th 5 800 K, Tc 5 500 K Engine C: Th 5 600 K, Tc 5 300 K Rank the engines in order of their theoretically possible efficiency, from highest to lowest.
1.A, B, C 2.B, C, A 3.C, B, A 4.C, A, B