Answer:

A is correct Answer :)

I hope your understand

Answer:

Jose drives at 140km in 2 hours. Calculate his average in

a. km/hr.     → 70 km/hr.

b. m/sec     → 19.4 m/sec

Explanation:

Distance = Speed x Time

Speed = Distance/Time

Speed = 140km/2hrs

Speed = 70km/hr.          →Ans. a

Convert km/hr. to m/sec:

1km=1000m

1hr = 3600 sec

Speed = 70 km/hr. (1000/1km)(1hr/3600sec)

Speed = 19.44 m/sec     →Ans. b