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  • 24-09-2022
  • Physics
contestada

Elliot is traveling by a building at
1.4 × 10^5
km/s, moving along the width of
the building. He measures the building to be
69 m wide and 110 m tall.
What is the width of the building as measured by a friend standing at rest next to the
building? The speed of light is 3 × 10^8 m/s.
Answer in units of m.

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