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Physics 16 Online
OpenStudy (anonymous):

Elliot is traveling by a building at 1.7 × 105 km/s, moving along the width of the building. He measures the building to be 69 m wide and 92 m tall. What is the width of the building as mea- sured by a friend standing at rest next to the building? The speed of light is 3 × 108 m/s.

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