The two types of mechanical energy are ______________ and ______________
Fill in the blank(s) with correct word
kinetic energy; potential energy
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What atmospheric constituent is responsible for the blue color of Uranus and Neptune?
A) methane B) hydrogen C) water D) ammonia
The reason that we observe more distant galaxies to be moving away from us at higher speeds than nearby galaxies is that
A) the more distant galaxies were flung outward faster by the Big Bang. B) the more distant galaxies are smaller and less massive, so they can move faster. C) the nearby galaxies are slowed by our own galaxy's gravitational pull. D) there is more space to expand between us and the distant galaxies.
What happens to a given volume of water when heated from 0°C to 4°C?
a. density increases c. density remains constant b. density decreases d. vaporizes
What is the thermal resistance of a 10 m^2 insulation board, 30 cm thick, and having thermal conductivity of 0.03 W/m?K?
What will be an ideal response?