Question

which of the following runners are accelerating? select all that apply. a sprinter who is speeding up at the beginning of a 100 - meter race a marathoner who is jogging at a decreasing pace after finally crossing the finish line a trail runner who is rounding a sharp bend in a zigzagging path

Explanation:

Acceleration is a change in velocity, which includes changes in speed or direction. A sprinter speeding up at the start of a 100 - meter race is increasing speed, so accelerating. A trail - runner rounding a sharp bend is changing direction, thus also accelerating. A marathoner jogging at a decreasing pace is changing speed, so accelerating too. Crossing the finish line usually means no further acceleration as the race is over and the runner may slow down or stop.

Answer:

A sprinter who is speeding up at the beginning of a 100 - meter race, a trail runner who is rounding a sharp bend in a zigzagging path, a marathoner who is jogging at a decreasing pace after finally crossing the finish line