How fast would javelin have to be going

Reference no: EM13501377

How fast would javelin (normally 2.5 m long) have to be going (relative to an observer) to appear 20% shorter? (2 m long)

Reference no: EM13501377

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How fast would javelin have to be going : How fast would javelin (normally 2.5 m long) have to be going (relative to an observer) to appear 20% shorter? (2 m long)

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