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  1. To work out speed, cover up the S. The remaining variables are D over T. This means that to find the speed, the calculation is distance divided by time.

  2. Speed is the rate of change of distance with time. In order to calculate the speed of an object we must know how far it's gone and how long it took to get there. "Farther" and "sooner" correspond to "faster". Let's say you drove a car from New York to Boston. The distance by road is roughly 300 km (200 miles).

  3. distance = v avg × time. Suppose, for example, a car travels 150 kilometers in 3.2 hours. Its average speed for the trip is. v avg = distance time = 150 km 3.2 h = 47 km/h. A car's speed would likely increase and decrease many times over a 3.2 hour trip. Its speed at a specific instant in time, however, is its instantaneous speed.

  4. 20 lut 2022 · Average speed is the distance traveled divided by elapsed time. We have noted that distance traveled can be greater than displacement. So average speed can be greater than average velocity, which is displacement divided by time.

  5. To calculate the speed of an object from a graph representing constant velocity, all that is needed is to find the slope of the line; this would indicate the change in distance over the change in time.

  6. Speed does not show us the direction of the motion it just gives the magnitude of what distance taken in a given time. In other words it is a scalar quantity. We use a symbol v to show speed. Let me formulate what we talk above; Speed=distance/time.

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