1. Which of the following shows a fast speed?
A. 5 m/s B. 4 m/s C. 2 k/h D. 1 k/h
2. What is the speed of a ball that moves to about 10 meters in 2 seconds?
A. 20 m/s B. 5 m/s C. 1 m/s D. 50 m/s
3. Which of the following shows the slowest velocity?
A. 20 k/h north B. 5 k/h north C. 10 k/h south D. 50 k/h south
4. WHat is the basic unit for measuring distance?
A. hour B. minute C. second D. month