marialabrie2006 marialabrie2006
  • 15-01-2021
  • Physics
contestada

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

Respuesta :

quasarJose
quasarJose quasarJose
  • 16-01-2021

Answer:

D. 90km/hr due West

Explanation:

Given parameters:

Displacement  = 1215km

Time  = 13.5hr

Unknown:

Velocity  = ?

Solution:

Velocity is the displacement divided by the time taken;

   Velocity  = [tex]\frac{displacement}{time}[/tex]   = [tex]\frac{1215km}{13.5hr}[/tex]   = 90km/hr

Velocity is 90km/hr due West

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