9. Work & Energy
Power
7PRACTICE PROBLEM
A construction worker of mass 72 kg wishes to deliver a 25 kg pack of cement to the top of a 25 m building under construction using the stairs. Determine the worker's power that will enable them to make the delivery in 70 s.
A construction worker of mass 72 kg wishes to deliver a 25 kg pack of cement to the top of a 25 m building under construction using the stairs. Determine the worker's power that will enable them to make the delivery in 70 s.