How fast is the rock star moving

Reference no: EM13692859

Solve the given problem:

Problem: An intergalactic rock star bangs his drum every 1.10 s. A person on earth measures that the time between beats is 2.50 s.

A- How fast is the rock star moving relative to the earth?

Please clarify the equations and steps are used to get the solution. Thanks!

Reference no: EM13692859

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