A car is 4.943 m long when not moving. How fast would the car have to move so that person standing on th side of the road measures its length to be an even 4m? Suppose the car is moving at this speed and 1 second elapses on its on-board clock. How long is this time interval measured to be by the person standing on the side of the road?
A car is 4.943 m long when not moving. How fast would the car have to move so that person standing on th side of the road measures its length to be an even 4m? Suppose the car is moving at this speed and 1 second elapses on its on-board clock. How long is this time interval measured to be by the person standing on the side of the road?
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A car is 4.943 m long when not moving. How fast would the car have to move so that person standing on th side of the road measures its length to be an even 4m? Suppose the car is moving at this speed and 1 second elapses on its on-board clock. How long is this time interval measured to be by the person standing on the side of the road?
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