Question

*please please help* Suppose you are going on a car trip with your family.

1. How could you determine the average speed for the first day of the trip? Be specific.


2. How could you determine the instantaneous speed during the trip? Be specific.

Answer 1

Answer:

1. To determine the average speed for the first day of the trip, the total distance traveled would have to be acquired and then how long it took to arrive at the final destination, only including the time that was actually traveled and not any time that was accumulated by any rest stops. Once you have this information, you have to divide the distance over time and you have the average speed (mph).

2. To determine the instantaneous speed, you would just have to look at the speedometer, which tells you at what speed the car is traveling at that exact moment.

Explanation:

I took physics 121 and got the same question. This is my answer that i used and my teacher said it was right.

Answer 2

(1) To determine the average speed, divide the total distance by the total time of motion.

(2) To determine the instantaneous speed, check the car speed at the time of interest.  

Average speed is determined by dividing total distance traveled by the total time of motion.

• The average speed of the first day trip will be determined if you know the total distance and total time of motion for the first trip.
• When you divide this distance by the time of the motion, you would have calculated your average speed.

The instantaneous speed is the speed at a specific time during the motion. Thus, to determine the your instantaneous speed, check the speed of the motion at the time of interest.

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