A pulsar is a rapidly rotating neutron star. The Crab nebula pulsar in the constellation Taurus has a period of 33.5 x 10-3 s, radius 10 km. And suppose its mass is 2.5 x 1030 kg. The pulsar's rotational period will increase over time due to the release of electromagnetic radiation, which doesn't change its radius but reduces its rotational energy. a. What is the angular momentum of the pulsar? Give your answer in the scientific notation, in the normalized form. L = х 10 Js b. Suppose the angular velocity decreases at a rate of 7.4 × 10-14 rad/s?. What is the magnitude of the torque on the pulsar? Give your answer in the scientific notation, in the normalized form. Tnet х 10 N m
A pulsar is a rapidly rotating neutron star. The Crab nebula pulsar in the constellation Taurus has a period of 33.5 x 10-3 s, radius 10 km. And suppose its mass is 2.5 x 1030 kg. The pulsar's rotational period will increase over time due to the release of electromagnetic radiation, which doesn't change its radius but reduces its rotational energy. a. What is the angular momentum of the pulsar? Give your answer in the scientific notation, in the normalized form. L = х 10 Js b. Suppose the angular velocity decreases at a rate of 7.4 × 10-14 rad/s?. What is the magnitude of the torque on the pulsar? Give your answer in the scientific notation, in the normalized form. Tnet х 10 N m
A pulsar is a rapidly rotating neutron star. The Crab nebula pulsar in the constellation Taurus has a period of 33.5 x 10-3 s, radius 10 km. And suppose its mass is 2.5 x 1030 kg. The pulsar's rotational period will increase over time due to the release of electromagnetic radiation, which doesn't change its radius but reduces its rotational energy. a. What is the angular momentum of the pulsar? Give your answer in the scientific notation, in the normalized form. L = х 10 Js b. Suppose the angular velocity decreases at a rate of 7.4 × 10-14 rad/s?. What is the magnitude of the torque on the pulsar? Give your answer in the scientific notation, in the normalized form. Tnet х 10 N m
A pulsar is a rapidly rotating neutron star. The Crab nebula pulsar in the constellation Taurus has a period of 33.5×10−333.5×10-3 s, radius 10 km. And suppose its mass is 2.5×10302.5×1030 kg. The pulsar's rotational period will increase over time due to the release of electromagneticradiation, which doesn't change its radius but reduces its rotational energy.
What is the angular momentum of the pulsar? Give your answer in the scientific notation, in the normalized form. L=L= ×10×10 J s
Suppose the angular velocity decreases at a rate of 7.4×10−147.4×10-14 rad/s2. What is the magnitude of the torque on the pulsar? Give your answer in the scientific notation, in the normalized form. τnet=τnet= ×10×10 N m
Transcribed Image Text:A pulsar is a rapidly rotating neutron star. The Crab nebula pulsar in the constellation Taurus has a period of
33.5 x 10-3 s, radius 10 km. And suppose its mass is 2.5 x 1030 kg. The pulsar's rotational period will
increase over time due to the release of electromagnetic radiation, which doesn't change its radius but
reduces its rotational energy.
a. What is the angular momentum of the pulsar? Give your answer in the scientific notation, in the
normalized form.
L =
х 10
Js
b. Suppose the angular velocity decreases at a rate of 7.4 × 10-14 rad/s?. What is the magnitude of
the torque on the pulsar? Give your answer in the scientific notation, in the normalized form.
Tnet
х 10
N m
%3D
Definition Definition Product of the moment of inertia and angular velocity of the rotating body: (L) = Iω Angular momentum is a vector quantity, and it has both magnitude and direction. The magnitude of angular momentum is represented by the length of the vector, and the direction is the same as the direction of angular velocity.
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