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  1. What is the equation to calculate distance? distance = speed/time. distance = time/speed. distance = speed/distance. distance = speed x time.

  2. Speed = Distance Time Velocity = Displacement Time in a direction. Example: You walk from home to the shop in 100 seconds, what is your speed and what is your velocity?

  3. So, we can calculate the time by dividing the distance by the speed. Typically, we measure distance in metres (m), kilometres (km), or miles, and we measure time in seconds (s), minutes (mins) or hours (h).

  4. Rate of change in position, or speed, is equal to distance traveled divided by time. To solve for time, divide the distance traveled by the rate. For example, if Cole drives his car 45 km per hour and travels a total of 225 km, then he traveled for 225/45 = 5 hours. Created by Sal Khan.

  5. We can solve problems involving time by remembering the formula for speed, distance and time. E.g. Calculate the time if a car travels at 15 miles at a speed of 36 mph.

  6. Draw a formula triangle for speed, distance and time. Working clockwise from the top, enter D for distance, T for time and S for speed. Use the formula triangle to work out the correct...

  7. Velocity (v) is a vector quantity that measures displacement (or change in position, Δs) over the change in time (Δt), represented by the equation v = Δs/Δt. Speed (or rate, r) is a scalar quantity that measures the distance traveled (d) over the change in time (Δt), represented by the equation r = d/Δt.