1. Physics Reference Table - 2006

2. Physics Reference Table - 2006
1. What are the symbol, value, unit and number of sig figs for acceleration due to gravity?
g; 9.81; m/s2; 3
2. How many times faster does light travel in vacuum than sound in air?
Approximately 1 million times,
or 6 orders of magnitude
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3. Physics Reference Table - 2006
3. How long did it take Apollo 11 (moving at speeds of approximately 1100 m/s) to travel from Earth to the Moon?
4. How many times heavier is a proton rather than an electron?
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4. Physics Reference Table - 2006
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6. How many times greater is the coefficient of friction of a moving car on dry asphalt as compared to that coefficient on ice?
5. How many bytes are there in a computer hard drive that says 2 TB?
1012 bytes or
a thousand billion bytes

5. Physics Reference Table - 2006
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8. How many nanoseconds are there in 8.1x10-8 s?
7. How do you convert a length of 254 cm in meters?
9. How many meters are there in 15 nm?