Question

Carl went on a Euro Trip and was traveling from Spain to Russia. When he looked on the map it said Russia was 7035 km away from Spain. If it took Carl 7 hours to get there, what would his average speed be in meters per second?

Answer 1

Answer:

The average speed would be 279.167 meters per second.

Explanation:

Speed ​​is the magnitude that expresses the variation in position of an object and as a function of time. In other words, speed is defined as the relationship established between the distance traveled and the time elapsed in the movement of a mobile.

Speed can be calculated using the following expression:

$Speed=\frac{distance}{time}$

In this case:

• distance= 7,035 km
• time= 7 hours

Since the required unit of speed is meter per second, then you convert from km to meters for the case of distance, and from hours to seconds for the case of time. So:

• distance= 7,035 km= 7,035,000 m (being 1 km= 1,000 m)
• time= 7 hours= 420 minutes= 25,200 seconds (being 1 hour=60 minutes and 1 minute=60 seconds)

Replacing in the definition of speed:

$Speed=\frac{7,035,000 meters}{25,200 seconds}$

Solving:

$Speed=279.167\frac{meters}{ seconds}$

Then, the average speed would be 279.167 meters per second.