If the pencil you are holding were 10 times as long and 10 times as wide, its surface area would be multiplied by
1) 10
2) 100
3) 1000
4) 10,000
5) none of these
and its volume would be multiplied by
6) 10.
7) 100.
8) 1000.
9) 10,000.
10) none of these.
Answer: 2, 8
You might also like to view...
Uniform Circular Motion: A 20-g bead is attached to a light 120-cm-long string as shown in the figure. This bead moves in a horizontal circle with a constant speed of 1.5 m/s. What is the tension in the string if the angle ? is measured to be 25°?
A. 0.089 N B. 0.041 N C. 0.20 N D. 0.22 N E. 0.46 N
The electron orbiting the proton in the hydrogen atom is at a distance 
m. What is the ratio of the electric force to the gravitation force between these particles? (The mass of the proton is 1.67
kg and the mass of the electron is 
a. 
b. 
c. 
d. 
e. 
If an extrasolar planet suddenly became larger in radius, but kept the same mass and orbit, what would change during an observed transit?
A) The amount of starlight would have a larger dip during the transit. B) The amount of starlight would have a smaller dip during the transit. C) The time between transits would decrease. D) The time between transits would increase. E) Nothing. The radius of a planet does not affect the appearance of a transit.
What would happen to Earth if we somehow moved our planet to the orbit of Venus?
A) Temperatures would rise only slightly, but enough to melt the polar caps. B) The fact that we have oceans would moderate the temperature change due to moving our planet, so temperature would hardly change at all. C) Being so much closer to the Sun would almost immediately cause the surface of Earth to melt, and all our cities would then be destroyed by the hot lava. D) Earth would suffer a runaway greenhouse effect and become as hot or hotter than Venus.