Answer:
The average speed of the car, in miles per hour, from 17:30 to 19:42, is 119.167 meters per second.
Step-by-step explanation:
Physically speaking, average speed (), measured in miles per hour, is the distance travelled (), measured in miles, divided by time (), measured in hours. That is:
(1)
The time needed by the vehicle is:
If we know that and , then the average velocity of the car is:
The average speed of the car, in miles per hour, from 17:30 to 19:42, is 119.167 meters per second.