Question

A car is traveling at a speed of 108 kilometers per hour. What is the car's speed in meters per second? How many meters will the car travel in 15 seconds? Do not round your answers.

Answer 1

1 kilometer = 1000 meters.

Multiply total kilometers by 1000:

108 kilometers x  1000 = 108,000 meters.

1 hour = 3600 seconds.

Divide total meters by 3600:

108,000 / 3600 = 30 meters per second

Multiply 30 meters per second by 15 seconds:

30 x 15 = 450 meters in 15 seconds.