At what speed, relative to the frame of the observer making the measurement, is the length of a meter stick 0.60 m?
A) 0.40c
B) 0.60c
C) 0.70c
D) 0.80c
E) 0.90c

Name: At what speed, relative to the frame of the observer making the measurement, is the length of a meter stick 0.60 m? A) 0.40c B) 0.60c C) 0.70c D) 0.80c E) 0.90c
Brand: Quizplus
Rating: 4.8 (47 reviews)

Question

Quizplus · Accepted Answer

Length contraction in special relativity is given by L = L0 * sqrt(1 - v^2/c^2). For L = 0.60 m and L0 = 1 m, solving for v gives v = 0.80c.

At What Speed, Relative to the Frame of the Observer