Task id16718
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Product description
A neutron star (pulsar) with a radius of 15 km makes 103 rev/s (see problem 14.21). It emits a narrow beam of X-rays that glides across the Earth's surface (Fig. 6.17). What is the speed of the beam if the distance from the pulsar to the Earth is 10 sv. years? Is there a paradox here?
Additional information
Detailed solution. Format gif