Question

an athlete starts from rest moves with a constant acceleration for 5s reaching a speed of 8m/s. The speed is maintained constant for T seconds. She then decelerates at a constant rate and stops in 75s.plot the v-t graph to describe the motion​

Answer 1

Explanation:

during running the athlete uses a form of energy so he or she needs more oxygen to get more energy by oxidation of glucose to meet this oxygen athlete breathe faster after finishing the race