A typical neutron star is more massive than our Sun and about the size (radius) of ________
A) Earth B) the Moon
C) a small asteroid (10 km in diameter) D) Jupiter
C
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A 4.00 kg hollow sphere (I = 2/3 
) is spinning with an angular velocity of 10.0 rad/s. The diameter of the sphere is 20.0 cm. The angular kinetic energy of the spinning sphere is
A. 1.75 J. B. 1.50 J. C. 1.33 J. D. 0.90 J. E. 0.75 J.
What drives the high-speed winds in Venus's atmosphere?
A. light from the Sun in its equatorial regions B. cold temperatures at the poles C. a polar vortex D. the slow spin of the planet
Who discovered that pole star change every few thousand years?
What will be an ideal response?
A positive point charge q is placed off center inside an uncharged metal sphere insulated from the ground as shown. Where is the induced charge density greatest in magnitude and what is its sign?
?
?
a.
A; negative
b.
A; positive
c.
B; negative
d.
B; positive
e.
C; negative