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May 23, 2015

Homework Help: Physics/Astronomy

Posted by Kim on Thursday, April 25, 2013 at 2:01am.

A pulsar is a stellar object that emits light in short bursts. Suppose a pulsar with a speed of 0.975c approaches Earth, and a rocket with a speed of 0.999c heads toward the pulsar (both speeds measured in Earthís frame of reference). If the pulsar emits 20.0 pulses per second in its own frame of reference, at what rate are the pulses emitted in the rocketís frame of reference?

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