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Question

Escape velocity from the Earth is $11.2 \mathrm{~km} / \mathrm{s}$. What would be the percent decrease in length of a $73.6\mathrm{~m}$ long spacecraft traveling at that speed as seen from Earth?

Solution

VerifiedAnswered 8 months ago

Answered 8 months ago

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In this task, we know the ship's length:

- $\mathrm{l_0=73.6\ m}$

We need to calculate the percentage decrease if the ship travels with speed:

- $\mathrm{v=11.2\ \frac{km}{s}=11.2 \cdot 10^3\ \frac{m}{s}}$

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