QUESTIONS – 4.09.2023 /Physics
1. What is the difference between fundamental and derived units?
2. Which is longer, 1.23 mm or 2.34×105 μm?
3. What is 270,000,000 in scientific notation?
4. How many seconds are there in 2 hours, 56 minutes, and 21 seconds (2:56:21)?
How many seconds are there in 01:39:20?
6. The fastest time in the Boston Marathon is 7,382 s. Express this time in hours,
minutes, and seconds.
7. Jupiter’s moon Io has an orbital period of 152,854 s, while Ganymede has an
orbital period of 7.1546 days. Which period is longer?
8. What is 0.00000000000345 in scientific notation?
9. What is 8.945×1012 in standard notation?
10. Which is longer, one year, 8,897 hr, or 3.14×107 s
5.