This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: 1. [1pt] An angstrom is an older unit of length, defined as 1010 m. A ly is a lightyear, the distance light travels in 1 year. (Give ALL correct answers, i.e., B, AC, BCD...) A) 8.0ly = 7.6x 10 27 angstrom B) 5.0m = 5.0x 10 11 angstrom C) 3.0 angstrom = 30nm D) 9.0 angstrom = 9.0x 10 5 fm E) 9.0 angstrom = 9.0x 10 6 fm F) 3.0 angstrom = 0.3nm G) 8.0ly = 7.6x 10 26 angstrom H) 5.0m = 5.0x 10 10 angstrom Correct, computer gets: DFGH 2. [1pt] Calculate the volume of a spherical balloon which has a surface area of 0.0555 m 2 . Area and Volume relations Correct, computer gets: 1.23E03 m^3 Hint: The area of a sphere is given by 4 times pi times r squared. this allows you to calculate the radius. then, the volume of a sphere is given by: 4/3 pi r cubed. 3. [1pt] (This is a tough one! Read the hint which appears after you submit one wrong answer.) The graph on your paper represents the function F(x)=ax b Make a careful determination of the value of b. You have to get within 10\% of the correct answer to get credit. Correct, computer gets: 2.60E+00Correct, computer gets: 2....
View
Full Document
 Spring '08
 ROGERS
 Physics, Light

Click to edit the document details