Question

A car traveled 1,215 km West from El Paso to Dallas in 13.5 hours. What was its velocity?

A. 90m/s West

B. 90km/h

C. .09km/h West

D. 90km/h West

Answer 1

D. 90km/hr due West

Step-by-step explanation:

Given parameters:

Displacement = 1215km

Time = 13.5hr

Unknown:

Velocity = ?

Solution:

Velocity is the displacement divided by the time taken;

Velocity =
`(displacement)/(time)` =
`(1215km)/(13.5hr)` = 90km/hr

Velocity is 90km/hr due West