Question

. Which of the following represents the greatest speed?

a. 30 m/s
b.
c.
d.
300 cm/s
0.3 m/s
3000 mm/s

Answer 1

Answer: A. 30 m/s

Explanation: If you convert each of these values to m/s, the answers will be:

A. 30 m/s

B. 3 m/s (cm -> m, divide by 100)

C. 0.3 m/s

D. 3 m/s (mm -> m, divide by 1000)

And you can see that A. 30 m/s is the greatest.