Shapley found the globular clusters were strongly concentrated toward Sagittarius
Indicate whether the statement is true or false
TRUE
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A scale from which a rock is suspended reads 5 N when the rock is out of water and 3 N when the rock is submerged. The density of the rock is
A) the density of water. B) 1.5 times the density of water. C) 2.5 times the density of water. D) 3.5 times the density of water. E) none of the above
Consider a situation where a skater pulls her arms inward, causing her rotation rate to speed up. Kinetic energy
a. is definitely conserved b. is definitely not conserved c. may or may not be conserved d. none of the above
Which curve would have the smallest slope? Assume no phase changes take place
1.the temperature of water versus added energy 2.the temperature of ice versus added energy 3.the temperature of steam versus added energy 4.They would all have the same slope.
As a bowling ball that rolls off the edge of a table falls, its horizontal component of motion
A) decreases. B) remains constant. C) increases.