Part A The material hoist and the load have a total mass of 800 kg and the counterweight C' has a mass of 100 kg. (Figure 1) If the upward speed of the hoist increases uniformly from to 0.7 m/s to 2.3 m/s in 1.3s, detern operates with an efficiency of = 0.8. Express your answer to three significant figures and include the appropriate units. P1.41 kW Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Figure M < 1 of 1 >