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) 3.0 106 yr
B) 6.7 103 yr
C) 3.3 103 yr
D) 1.05 1010 yr
E) 2.10 1010 yr
Correct Answer:

Verified
Correct Answer:
Verified
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