Which of the following speeds is greatest? (2.54 cm = 1.00 in. )
A)10 km/h
B)10 m/s
C)10 ft/s
D)10 mi/h
E)10 yd/s

Question

Quizplus · Accepted Answer

The unit of velocity used in the options are different. Therefore, we need to convert them into the same unit to compare them. 
Converting all the given options to m/s, we get:
A) 10 km/h = 2.78 m/s
B) 10 m/s = 10 m/s
C) 10 ft/s = 3.05 m/s
D) 10 mi/h = 4.47 m/s
E) 10 yd/s = 9.14 m/s

Thus, the fastest speed is 10 m/s, which is option B.

Which of the Following Speeds Is Greatest? (2