Question

which of the following is the greatest speed: 20 m/s, 200 cm/s, or 0.2 km/ s

Answer 1

20 meters per second.

Answer 2

The greatest speed from the following is 0.2 km/s per second. The correct option is C.

What is speed?

The rate at which an object moves along a path is called speed.

The following speeds are 20 m/s, 200 cm/s, or 0.2 km/ s

Convert all in meters

20 m

200 cm = 2 m

0.2 km = 200 m

Here, 200 m is greater. Hence, its speed is greatest.

Thus, the correct option is C, 0.2 km/s.

Learn more about speed

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