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A pulsar is a rapidly rotating neutron star that emits a radio beam the way a lighthouse emits a light beam. We receive a radio pulse for each rotation of the star. The period T of rotation is found by measuring the time between pulses. Suppose a pulsar has a period of rotation of T = 0.0379 s that is increasing at the rate of 3.61 x 10-6 s/y. (a) What is the pulsar's angular acceleration a? (b) If a is constant, how many years from now will the pulsar stop rotating? (c) Suppose the pulsar originated in a supernova explosion seen 777 years ago. Assuming constant a, find the initial T. (a) Number i Units (b) Number i Units (c) Number i Units

A pulsar is a rapidly rotating neutron star that emits a radio beam the way a lighthouse emits a light beam. We receive a radio pulse for each rotation of the star. The period T of rotation is found by measuring the time between pulses. Suppose a pulsar has a period of rotation of T = 0.0379 s that is increasing at the rate of 3.61 x 10-6 s/y. (a) What is the pulsar's angular acceleration a? (b) If a is constant, how many years from now will the pulsar stop rotating? (c) Suppose the pulsar originated in a supernova explosion seen 777 years ago. Assuming constant a, find the initial T. (a) Number i Units (b) Number i Units (c) Number i Units

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A pulsar is a rapidly rotating neutron star that emits a radio beam the waya lighthouse emits a light beam. We receive a radio pulse for each rotation of the star. The period T of rotation is found by measuring the time between pulses. Suppose a pulsar has a period of rotation of T = 0.0379 s that is increasing at the rate of 3.61 x 10-6 s/y. (a) What is the pulsar's angular acceleration a? (b) If a is constant, how many years from now will the pulsar stop rotating? (c) Suppose the pulsar originated in a supernova explosion seen 777 years ago. Assuming constant a, find the initial T. (a) Number i Units (b) Number Units (c) Number Units
Transcribed Image Text:A pulsar is a rapidly rotating neutron star that emits a radio beam the waya lighthouse emits a light beam. We receive a radio pulse for each rotation of the star. The period T of rotation is found by measuring the time between pulses. Suppose a pulsar has a period of rotation of T = 0.0379 s that is increasing at the rate of 3.61 x 10-6 s/y. (a) What is the pulsar's angular acceleration a? (b) If a is constant, how many years from now will the pulsar stop rotating? (c) Suppose the pulsar originated in a supernova explosion seen 777 years ago. Assuming constant a, find the initial T. (a) Number i Units (b) Number Units (c) Number Units
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