Question

Oliver travels 180 kilometers in
2 1/4-hours

Work out his average speed.
(a) Give your answer in kilometers per hour.
(b) Give your answer in meters per second.​

Answer 1

(a) Give your answer in kilometers per hour.

Answer:

80km/h

Steps:

Distance=180kms.

Time=2 1/4hrs.

=9/4hrs.

speed=Distance/Time

=180/ 9/4

=720/9

=80km/h

(b) Give your answer in meters per second.

Answer:

22m/s.

Steps:

To convert km/h into m/s

Multiply the speed of km/h by 5/18

80×5/18

400/18

22.2222222222222