Question

Sanjiv works part-time at the local supermarket where he packs groceries on the shop shelves at night. His shift starts at 7.30 pm and ends at 11.30 pm. During his shift, Sanjiv does the equivalent of 16,000 push ups if we consider that each push-up requires Sanjiv to lift his 71 kg bodyweight 650 mm straight up off the ground at a constant speed. What is Sanjiv's average useful power output at the conclusion of each shift? Select one: O A. 115.90 W OB. 452.73 W O C. 503.06 W O D. 7.24 kW

Answer 1

Time taken t= 4 hrs P= ybu x0009 7 - 16000 x 71 x 9.818 0.65 x 3600 xh 503.06 W Answer (c)