Which of the following diagrams best represents the size of the atomic nucleus relative to the size of the atom?
A) A
B) B
C) C
D) D
Answer: D
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A catapult is tested by Roman legionnaires. They tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units):
angle of landing height = launch height. What is the initial velocity of launch of the boulders if air resistance is negligible? A) 44 m/s B) 1.4 m/s C) 22 m/s D) 0.69 m/s
Our eyes are not very good at seeing
A) motion at our peripheries. B) differences in brightness. C) color in dim light. D) all of the above E) none of the above
Imagine yourself in a car traveling around a sharp curve. The "centripetal" force is inward, yet why do you slide outward and not inward?
What will be an ideal response?
To calculate the pressure in the standard atmosphere at 6000 m, the lapse rate is used. The percentage error, considering the pressure is nearest:
(A) 0.08% (B) 0.13% (C) 0.24% (D) 0.31%