Multiple Choice
According to the special theory of relativity,which of the following happens to the length of an object,measured in the dimension parallel to the motion of its inertial frame of reference,as the velocity of this frame increases with respect to a stationary observer?
A) length increases
B) length decreases
C) length remains constant
D) length vanishes to zero when velocity equals half speed of light
Correct Answer:
Verified
Correct Answer:
Verified
Q50: If astronauts could travel at v =
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
Q56: That the speed of light in a
Q57: If the total energy of an electron
Q58: As measured from the Earth,a spacecraft is
Q59: What is the speed of a particle
Q60: A rocket ship is 87.0 m in