B. Below are different examples of motion. Write S on the blank if the motion describes speed and V if it describes velocity.
1. A ship sailing at 20 km/hr.
2. A cheetah-running at 30 m/sec.
3.An airplane flying at 120 km/hr.
4. A bike moving at 5 m/sec down town. 5.A car moving at 60 km/hr, north.
6. Sound waves traveling at 330 m/sec.
7. A boat traveling down the river at 10 m/sec.
8. Wind blowing towards the east at 80 km/hr.
9. A roller coaster moving at 25 m/sec, upward.
10. A runner moving at 0.3 m/sec towards the finish line. ​