A rocket ship is 74.0 m in length when measured before leaving the launching pad. What would its velocity be if a ground observer measured its length as 60.0 m while it is in flight? (c = 3.00 × 10^8 m/s)
a. 1.76 × 10^8 m/s
c. 1.98 × 10^8 m/s
b. 0.980 × 10^8 m/s
d. 1.15 × 10^8 m/s
A
Physics & Space Science
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