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# Why is during a trip a car instantaneous speed can ever be greater than its average speed?

Updated: 4/28/2022

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Q: Why is during a trip a car instantaneous speed can ever be greater than its average speed?
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### Does the speedometer of a car read average speed or instantaneous speed?

instantaneous speed

### Does the speedometer on a vehicle show the average speed or instantaneous speed?

instantaneous speed.

### To justify with calculation average speed is equal to instantaneous speed?

Only if speed is constant. There can be no acceleration if the average speed is equal to the instantaneous speed.

### Is a car's speedometer show instantaneous speed average speed or velocity?

It shows instantaneous speed.

### What is the difference between instantaneous speed and speed?

Instantaneous speed is speed measured at a specific time. Speed is an average.

### What is the difference between instantaneous speed and average speed?

Instantaneous speed is the speed at a particular moment in time.The average speed of an object tells you the (average) rate at which it covers distance

### How are average speed and instantaneous speed alike?

Average speed and instantaneous speed are both measurements of the speed of an object. The instantaneous speed measures how fast the object is going at a particular moment, while average speed shows how fast the object was moving in total over time.

### What do you mean by instantaneous speed?

Instantaneous speed is the speed of a body at any one instant. There is really no such thing as the instantaneous speed, it is merely the average speed over a very short space of time.

### What is the relation between instantaneous speed and instantaneous velocity?

If I drive away from my house at 8:00 in the morning and return at 6:00 PM that same evening with 50 more miles showing on the car, you know immediately that my average speed for the day was 5 mph. But you don't know a thing about how much of that time I was stopped, how much in motion, or what my speed was at any moment between 8 and 6, because there's no necessary relationship between instantaneous and average speed. I guess it's probably true to say that there has to be some instant during any period of time when the instantaneous speed must be equal to the average speed during the same period. That sounds like a nice theorem, and its proof ought to be good for some mathematical recreation, but it doesn't seem too useful.

### Why do you use average speed?

The concept of average speed is somewhat simpler than "instantaneous speed".

### The difference between average speed and constant speed?

Average speed allows you to change the instantaneous speed throughout the travel time, while during constant speed, one keeps there instantaneous speed at the same numberAverage speed is when a car is moving with a speed of 25 miles per hour. Constant speed is speed maintained consistency over time.