# phys

posted by
**slien** on
.

a spaceship travels with a speed of 0.7c as it passes by the Earth on its way to a distant star. The pilot of the spaceship measures the length of the moving ship as 50m. Determine its length as measured by a person on Earth. Answer in units of m.

for this question, do I just find the gamma using 0.7c and then 50*gamma to get the length?

yes.