Flatten a spherical meatball into a hamburger and you increase its
A) surface area.
B) volume.
C) both of these
D) none of these
Answer: A
Physics & Space Science
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The point directly over your head is called ________
A) the north celestial pole B) the North Star C) the meridian D) the zenith
Physics & Space Science
Of photons of red, yellow, light, and blue light, which photons have the least energy?
a. red c. green b. blue d. yellow
Physics & Space Science
Thermal Expansion: The coefficient of linear expansion of aluminum is 24.0 × 10-6 K-1, and the density of aluminum at 0°C is 2.70 × 103 kg/m3. What is the density of aluminum at 300°C?
A. 3.93 × 103 kg/m3 B. 2.73 × 103 kg/m3 C. 2.70 × 103 kg/m3 D. 2.67 × 103 kg/m3 E. 2.64 × 103 kg/m3
Physics & Space Science
The fraction of incident sunlight reflected by a celestial body is called its ______________
Fill in the blank(s) with correct word
Physics & Space Science