Post A and Post B are 120 meters apart. Post B and Post C are 300 meters apart. Ben cycled from Post A to Post B in 15 seconds. Then he cycled from Post B to Post C in 55 seconds. Find Ben's average speed for the distance from post A to Post C.

Question

Jimmuy

Mathematics

19 January, 17:34

Post A and Post B are 120 meters apart. Post B and Post C are 300 meters apart. Ben cycled from Post A to Post B in 15 seconds. Then he cycled from Post B to Post C in 55 seconds. Find Ben's average speed for the distance from post A to Post C.

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Ronin Durham · Answer 1

The formula for Velocity (speed) is delta x / delta t or a change in distance (magnitude) over a change in time. The formula goes as follows X^2 - X^1 / T^2-T^1 so 300-120/55-15 - -> 180/40 - -> 4.5 m/s (avg. speed).