Under some circumstances, a star can collapse into an extremely dense object made mostly of neutrons and called a neutron star. The density of a neutron star s roughly 10¹4 times as great as that of ordinary solid matter. Suppose we represent the star as a uniform, solid, rigid sphere, both before and after the collapse. The star's initial radius was 6.0x105 km (comparable to our sun); its final radius is 16 km. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Anyone can be a ballerina. Part A If the original star rotated once in 25 days, find the angular speed of the neutron star. Express your answer in radians per second. W₂ = [-] ΑΣΦ 4 ? rad/s

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**Understanding Neutron Stars**

**Introduction to Neutron Stars**

Under certain circumstances, a star can collapse into an extremely dense object composed mostly of neutrons, known as a neutron star. The density of a neutron star is approximately \(10^{14}\) times greater than that of ordinary solid matter. Imagine the star as a uniform, solid, rigid sphere before and after the collapse. Initially, the star's radius is \(6.0 \times 10^5\) kilometers (comparable to our sun), and it shrinks to a final radius of 16 kilometers.

For additional tips and strategies on problem-solving, check out the video tutorial "Anyone can be a ballerina."

**Problem-Solving Example:**

**Part A**

If the original star rotated once in 25 days, determine the angular speed of the resulting neutron star. Express your answer in radians per second.

To solve:

- Use the input box to calculate the angular speed (\(\omega_2\)) in radians per second (rad/s).

This exercise helps students apply physics concepts such as rotational dynamics and the conservation of angular momentum in the context of astronomical events.
Transcribed Image Text:**Understanding Neutron Stars** **Introduction to Neutron Stars** Under certain circumstances, a star can collapse into an extremely dense object composed mostly of neutrons, known as a neutron star. The density of a neutron star is approximately \(10^{14}\) times greater than that of ordinary solid matter. Imagine the star as a uniform, solid, rigid sphere before and after the collapse. Initially, the star's radius is \(6.0 \times 10^5\) kilometers (comparable to our sun), and it shrinks to a final radius of 16 kilometers. For additional tips and strategies on problem-solving, check out the video tutorial "Anyone can be a ballerina." **Problem-Solving Example:** **Part A** If the original star rotated once in 25 days, determine the angular speed of the resulting neutron star. Express your answer in radians per second. To solve: - Use the input box to calculate the angular speed (\(\omega_2\)) in radians per second (rad/s). This exercise helps students apply physics concepts such as rotational dynamics and the conservation of angular momentum in the context of astronomical events.
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