The astronaut's experiment with the hammer and the feather illustrate that:
a. hammers and feathers have the same mass on the Moon.
b. hammers and feathers have the same weight on the Moon.
c. objects of different size, shape, and mass fall at the same rate in a vacuum.
d. the absence of air on the Moon results in different rules of physics.
e. there is no gravity on the Moon.
c
You might also like to view...
The Doppler shift is used to find
A) astrometric binaries. B) spectroscopic binaries. C) photometric binaries. D) visual binaries. E) eclipsing binaries.
Archaeopteryx fossils are those of a prehistoric
a. bird. b. crinoid. c. trilobite. d. ground sloth.
Saturn orbits the Sun and follows which laws? Choose the best answer. I. Kepler's first II. Kepler's second III. Kepler's third IV. Newton's law of gravitation
a. I and II b. I, II, and III c. I, III, and IV d. I, II, III, and IV
Standing Sound Waves: In a resonating pipe that is open at one end and closed at the other, there
A. are displacement nodes at each end. B. are displacement antinodes at each end. C. is a displacement node at the open end and a displacement antinode at the closed end. D. is a displacement node at the closed end and a displacement antinode at the open end.