1)An astronaut awakes in her closed capsule, which actually sits on the Moon. Can she tell whether her weight is the result of gravitation or of accelerated motion? Explain. (10 points)
2) Do you age faster at the top of a mountain or at the mountain’s base? Explain. (10 points)
3) If you travel at high speed, then compared with your friends who “stay at home,” you are (1 point each for the following)
(a) older. (b) younger. (c) neither younger nor older. (d) longer.
4) Clocks on a fast-moving spaceship whizzing past Earth appear to run slow when viewed from
(a) inside the spaceship. (b) Earth. (c) Both of these. (d) Neither of these.
5) If you were to travel at a speed close to the speed of light, you could notice that your own
(a) mass changes. (b) pulse decreases. (c) Both of these. (d) Neither of these.
6) As a blinking light source approaching you gains speed, you see the frequency of flashes (a) increase. (b) decrease. (c) remain unchanged. (d) None of these.
7) At very high speeds, an object appears to an observer at rest to be
(a) shorter in the direction of travel. (b) shrunken in all directions. (c) shorter in the direction perpendicular to travel. (d) longer in all directions.
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