The force of gravity acts on all apples on an apple tree. Some apples are twice as far from the ground. Such twice-as-high apples of the same mass, have
A) 1/4 the weight.
B) 1/2 the weight.
C) practically the same weight.
Answer: C
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Mass transfer in binaries occurs when one giant swells to reach the:
A) Chandrasekhar Limit. B) Cassini Division. C) Hayashi Track. D) Roche Lobe. E) Herbig-Haro Limit.
Once carbon is formed in massive star cores, the majority of nuclei formed form then on will belong to even numbered elements, due to addition to more helium nuclei as alpha particles
Indicate whether the statement is true or false
The resistivity of most common metals
A) remains constant over wide temperature ranges. B) increases as the temperature increases. C) decreases as the temperature increases. D) varies randomly as the temperature increases.
The centroid of the semicircular segment shown in the figure below (b 5 6 in.) is at coordinates (x, y)(in.):
(A) 4.5, 3.0
(B) 6.0, 4.0
(C) 5.5, 3.5
(D) 6.0, 3.23
