What is the significance of 8 solar masses in stellar evolution?

What will be an ideal response?


Above 8 solar masses, a high mass star must go through a violent type II supernova core collapse, producing a neutron star or even a black hole for the most massive stars. Below that limit, a low mass star will shed enough mass in its giant and planetary nebula stages to avoid the core collapse, and eventually settle down into a white dwarf.

Physics & Space Science

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The next moon likely to be broken up into a ring is

A) Triton. B) Mimas. C) Io. D) Ganymede. E) Charon.

Physics & Space Science

A 1.5-m string is held fixed at both ends. When driven by a 180-Hz source, the string vibrates in 3 distinct segments. What is the natural fundamental frequency of the string?

a. 30 Hz c. 90 Hz b. 60 Hz d. 540 Hz

Physics & Space Science

A uniform cylinder of radius R, mass M, and length L rotates freely about a horizontal axis parallel and tangent to the cylinder, as shown below. The rotational inertia of the cylinder about this axis is ? ?

A.

.

B.
.

C.
MR2.

D.
.

E.
.

Physics & Space Science

A torque of 2.00 N•m is applied to a 10.0 kg object to give it an angular acceleration. If the angular acceleration is 1.75 then the moment of inertia is

A. 1.95 kg
B. 1.05
C. 1.14
D. 1.20
E. 1.35

Physics & Space Science