Astronaut Skip Parsec visits planet MSU8, which is composed of the same materials as Earth, but has twice the radius. If Skip weighs 800 N on Earth's surface, how much does he weigh on MSU8's surface?
A. 400 N
B. 800 N
C. 1600 N
D. 3200 N
Answer: C. 1600 N
You might also like to view...
Which of the following is true about the ages and masses of spiral and elliptical galaxies?
A) Ellipticals are all older and more massive than spirals. B) Spirals are older, and much more massive than ellipticals. C) Both types are about the same age, but spirals vary less in mass. D) Spirals are younger and much more massive than any elliptical. E) Ellipticals are older, and show a far wider range of masses than do spirals.
Which statement about Jupiter's rings is true?
A) They lie inside Jupiter's Roche Limit. B) They are made, in part, of material ejected by Europa's volcanoes. C) They are dark because their ices are dirtier than Saturn's. D) They are larger than Saturn's, but darker. E) They were discovered by Galileo at the same time he discovered the moons.
For the circuit shown in the figure, the inductors have no appreciable resistance and the switch has been open for a very long time
(a) The instant after closing the switch, what is the current through the 60.0-? resistor? (b) The instant after closing the switch, what is the potential difference across the 15.0-mH inductor? (c) After the switch has been closed and left closed for a very long time, what is the potential drop across the 60.0-? resistor?
For a wave with a constant speed, the smaller the period, the ______________ its wavelength
Fill in the blank(s) with correct word