Average Speed Help: Get to Church On Time!

In summary, to reach the church on time for your wedding, you leave 33.0 minutes before the ceremony begins and have to make an unanticipated stop for construction work on the road. With an average speed of 5.0 mi/hr for the first 18.0 minutes, you need to calculate the distance traveled and the remaining distance to determine the required average speed for the rest of the trip.
  • #1
jwang023
19
0
average speed help!

Homework Statement



On your wedding day you leave for church 33.0 minutes before the ceremony is to begin, which should be plenty of time since the church is only 10.5 miles away. On the way, however, you have to make an unanticipated stop for construction work on the road. As a result, your average speed for the first 18.0 minutes is only 5.0 mi/hr. What average speed do you need for the rest of the trip to get you to church on time?

Homework Equations



average speed= distance/ time

The Attempt at a Solution

 
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  • #2


One approach is to to simply figure out how far you have traveled in the first 18 minutes.

Use your eqn. Then figure out how far you have left to go, and the time available to do it. This then will dictate the average speed required to arrive on time.
 
  • #3


Thanks for breaking it down!
 
  • #4


No problem, welcome to PF.
 

Related to Average Speed Help: Get to Church On Time!

What is average speed and how is it calculated?

Average speed is the total distance traveled divided by the total time taken. It is calculated by dividing the distance traveled by the time taken.

How can I use average speed to get to church on time?

You can use average speed to determine how long it will take you to get to church by dividing the distance to the church by your average speed.

What factors can affect average speed?

Factors that can affect average speed include traffic, road conditions, vehicle speed, and weather conditions.

Can average speed be different for different parts of the journey?

Yes, average speed can vary for different parts of the journey as different factors may affect your speed at different points.

Why is it important to consider average speed when planning for a trip?

Considering average speed helps you estimate the time it will take to reach your destination and allows you to plan your journey accordingly, ensuring you arrive on time.

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