Multiple Choice
If astronauts could travel at v = 0.95c,we on Earth would say it takes (4.2/0.95) = 4.4 years to reach Alpha Centauri,4.2 lightyears away.The astronauts disagree.How much time passes on the astronaut's clocks?
A) 1.4 years
B) 14.1 years
C) 4.0 years
D) 1.3 years
E) 0.4 years
Correct Answer:
Verified
Correct Answer:
Verified
Q45: How fast would a rocket have to
Q46: A space probe has a 24.7-m length
Q47: What is the total energy of a
Q48: As measured from the Earth,a spacecraft is
Q49: According to a postulate of Einstein,which of
Q51: An electron of mass 9.11 × 10−<sup>31</sup>
Q52: If a proton with mass 1.67 ×
Q53: Through what potential difference would an electron
Q54: When a one-megaton nuclear bomb is exploded,approximately
Q55: According to the special theory of relativity,which