1) A car is clocked at 25 m/s in a 50-mi/h zone. Is itspeeding?
2) Use the definition of the meter to determine how far lighttravels in exactly 1 ns. Express your answer in meters to threesignificant figures.
3) Express a 85 mi/h speed limit in meters per second. Expressyour answer in meters per second.
4) GPS satellites complete approximately two full orbits eachday. Express that rate in degrees per hour. Express your answer indegrees per hour.
5) One m/s is how many km/h? Express your answer in kilometersper hour to three significant figures.
6) Add 3.13105 m and 2.23103 km . Express your answer with theappropriate units.