Why does our theory predict that neutron stars will spin rapidly?
What will be an ideal response?
The principle of conservation of angular momentum predicts that neutron stars should spin rapidly. All stars rotate because they form from swirling clouds of interstellar matter. As a star collapses, it must rotate faster because it conserves angular momentum. A collapsing star must spin faster as it pulls its matter closer to its axis of rotation. You might expect that collapsed core of a massive star to rotate in the range of 10 to 1000 times a second.
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The centroid of the parallelogram shown in the figure below is at coordinates (x, y):
(A) 5b/6, h/2
(B) 5b/12, h/3
(C) 5b/8, h/2
(D) 5b/6, h/3
Life emerged from the oceans about _________ billion years ago
Fill in the blank(s) with correct word
Two extremely flat glass plates, 10.0 cm wide, touch at one end but are separated by a thin wire at the other end, forming a wedge
Light with a wavelength of 450 nm shines almost perpendicularly on the glass and forms fringes which are 1.80 mm apart. What is the diameter of the wire? A) 25.0 µm B) 10.0 µm C) 20.0 µm D) 12.5 µm E) 17.5 µm
Charge is distributed uniformly on the surface of a spherical nonconducting shell. A point particle with charge q is inside. The electrical force on the particle q is least when:
A) it is near the inside surface of the shell B) it is at the center of the shell C) it is halfway between the shell center and the inside surface D) it is near, but not at, the center of the shell E) all of the above (the force is zero everywhere inside)