Ans:
Imagine you ride a cycle to your mates house. You have with you a cycle speed computer that measures your speed through out your journey. You can imagine that your speed is likely to keep changing throughout your journey: you might have to stop for traffic lights (then your speed would be zero at that moment), and then you might come to a steep hill, where you go very fast. You can see that over the course of the journey your speed has changed a lot!
Now, if you wanted to know how quickly you got there, you could simply look at your timer, and the distance you travelled divided by your total time is the average speed!
If you had a constant speed this would be where you cycle there at the same speed all the way there. Is this a realistic thing to happen in the real world? Remember the traffic lights you had to stop for?
So we use average speed instead.
However, if you broke your journey up into segments, like the hill bit, and the traffic light bit, then you might be able to say at that instant in time, you had a constant speed.
Yes, average speed can be used to calculate the speed of an object moving at a constant speed. This is because the average speed over a whole journey for an object moving at a constant speed is the same as its actual speed.
Instantaneous speed is the speed of an object at a specific moment in time, while average speed is the total distance traveled divided by the total time taken. At the exact moment when an object's speed is constant, its instantaneous speed and average speed will be the same.
Average speed is a representation of all your speeds between two points, constant speed is just unchanging speed.
An object can move in a circle at different speeds.
average distance/average time
constant velocity is when you maintain speed and direction, this usually is in a straight line, and constant speed means that your speed is always constant at all times.
Average speed and constant speed are alike in that they both involve measuring the rate at which an object moves over a certain distance. However, while constant speed refers to the speed that remains the same throughout the entire journey, average speed takes into account any changes in speed that may have occurred during the journey.
Average speed is an average value of speed over a given time. If your speed is constant (not changing), then your average speed will equal your speed at any given moment in time.
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.
The total displacement divided by the time. The slope of the displacement vs. time graph.
Time is inversely proportional to speed.
The average constant speed of the object between 2 and 5 seconds is the total distance covered divided by the time elapsed. If you have the distance covered during this time interval, divide it by 3 seconds (5s - 2s) to get the average constant speed.