A 489-m long spaceship passes by an observer at the speed of 2.60×108 m/s. What length...

Question

Question

A 489-m long spaceship passes by an observer at the speed of 2.60×108 m/s. What length does the observer measure for the spaceship?

science physics

Answer 1

Answer #1

using length contract formula where Δl=observed length

Δl₀ proper length

so Δl=489*(1-2.6²/3²)=121.7 m ans

Answer 2

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