Short Answer
How fast would a rocket ship have to move past Earth to contract to half of its proper
length as observed by an Earth-based physicist?
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q37: Calculate the speed at which a
Q38: Two satellites with equal rest masses of
Q39: At age 21, you set out
Q40: Two spaceships, each 100 m long in
Q41: In a nuclear plant, <span
Q43: Astronaut Jill leaves Earth in a spaceship
Q44: A set of twins, Andrea and Courtney,
Q45: A spaceship, traveling at 0.100c away from
Q46: Astronaut Rachel leaves Earth in a
Q47: A satellite, initially at rest in