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July 23, 2014

Homework Help: physics

Posted by shelby on Monday, March 17, 2008 at 3:13pm.

pulsar is a rapidly rotating neutron star that emits radio pulses with precise synchronization, there being one such pulse for each rotation of the star. The period of rotation is found by measuring the time between pulses. At present, the pulsar in the central region of the Crab nebula has a period of rotation of = 0.09000000 s, and this is observed to be increasing at the rate of 0.00000467 s/yr. What is the angular velocity of the star?What is the angular acceleration of the pulsar?If its angular acceleration is constant, in how many years will the pulsar stop rotating?The pulsar originated in a super-nova explosion in the year A.D. 1054. What was the period of rotation of the pulsar when it was born?

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