Does Earth's gravity pull more strongly on a block of wood or on a block or iron having the same size? Neglecting air resistance, which one falls faster when dropped?
A) Gravity pulls more strongly on the iron, and both fall at the same speed.
B) Gravity pulls equally strongly on both, and both fall at the same speed.
C) Gravity pulls equally strongly on both, and the iron falls faster.
D) Gravity pulls more strongly on the iron, and the iron falls faster.
E) None of the above.
A
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C. Consistent D. Inconsistent
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A) must be in only one of its 16 possible quantum states. B) must be in only one of its 4 possible quantum states. C) can be in all 8 of its 8 possible quantum states, simultaneously. D) can be in all 16 of its 16 possible quantum states, simultaneously. E) can be in all 4 of its 4 possible quantum states, simultaneously.
Impacts of large asteroids on the Earth's surface generally result in
A) localized destruction close to the impact area B) the destruction of most but not all life on Earth C) the formation of Moons D) total destruction of all life on Earth
Why can the Hubble Space Telescope give us better direct measurements of star diameters than larger Earth-based telescopes can?
What will be an ideal response?