Question
4. You are carrying a 150 N box. a. How much work do you do you lift it from the floor to a height of
4. You are carrying a 150 N box. a. How much work do you do you lift it from the floor to a height of 1.5 m at a constant speed? b. How much work do you do you carry it a constant height across the room? c. How much work do you do you lower it to the floor from a height of 1.5 m at a constant speed?
5. A 60 kg man climbs a 3 m tall flight of stairs. What work was done on the man by the force of gravity?
6. A Bloomin' Onion from Outback has 1950 Calories, which is 8158800 J. If a 75 kg person ate an entire Bloomin' Onion and then climbed stairs at a constant rate to burn off all of the calories, how high would the person need to climb?
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