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Q3. A UFO streaks across a football field at 0.90c relative to the goal posts. Standing on the field, you measure the length of the

Q3. A UFO streaks across a football field at 0.90c relative to the goal posts. Standing on the field, you measure the length of the UFO to be 228 m. The UFO later lands, allowing you to measure it with a metre stick. What length do you now obtain

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