The Crab Pulsar Rotates 30 Times Per Second $\times$ 10⁶ Yr
B)6

question 62

Multiple Choice

The Crab Pulsar rotates 30 times per second.However,its period is increasing by about 10^-5 s per year.How many years will it take before its period of rotation has doubled?

• A)3.0 \(\times\) 10⁶ yr
• B)6.7 \(\times\) 10³ yr
• C)3.3 \(\times\) 10³ yr
• D)1.05 \(\times\) 10¹⁰ yr
• E)2.10 \(\times\) 10¹⁰ yr

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