PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
Garry and Anatoly are two boys using the gym. They both have a mass of 70 kg. Garry does 20 step-ups in 45 s, raising his centre of mass by 25 cm each time, whilst Anatoly does 12 pull-ups in 20 s, raising his centre of mass by 35 cm each time.
(a) Calculate
- i Garry's power output.
- ii Anatoly's power output.
(b) Which of the boys is likely to be out of breath after their exercise?