1. Hulky and Bulky are two workers being considered for a job at the UPS loading dock. Hulky boasts that he can lift a 100 kg box 2.0 meters vertically, in 3.0 s. Bulky counters with his claim of lifting a 200 kg box 5.0 meters vertically, in 20 s. Justify which worker has a greater power rating. 2. A 1994 Ford Mustang is driving down a road with a constant speed of 30 m/s. The engine must exert a 5000 N force to maintain this speed. a. Calculate the power of the engine. b. Compare the 1994 Mustang's power to that of the 460hp 2021 Ford Mustang GT's engine. (1 hp = 746 W) 3. An 82 kg hiker climbs Mt. Humphrey near Flagstaff. During a two hour period, the hiker's vertical elevation increases by 540 meters. a. Calculate the climber's AEg. b. Calculate the power generated to increase the hiker's Eg. 4. Calculate how long would it take a 7.5 KW motor to raise a 500 kg piano to an apartment window 10 meters above the ground