Which of the following stars will end its life in a supernova?
A) a 10 solar-mass star
B) the Sun
C) a 1 solar-mass red giant star
D) a neutron star
A) a 10 solar-mass star
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The force due to gravity that acts on a block of ice that slides down an icy ramp
A) remains equal to mg at all angles. B) decreases as the slope of the ramp increases. C) becomes greatest when the ramp is vertical.
Which of the values below is closest to the magnitude of W?
A. 0.6 J B. 1.5 J C. 300 J D. 600 J E. 1500 J F. 3000 J
A satellite coasting at constant speed in a circular orbit
A) is beyond the pull of Earth's gravity B) is nevertheless accelerating. C) undergoes changes in its potential energy. D) none of the above
In tempered glass, the stress in outer surface is in a state of _________.
Fill in the blank(s) with the appropriate word(s).