Work, Power and Energy Questions How much work is done moving a 14.3 kg box across a floor (frictionless) 7.5m? What is the efficiency of your lifting machine lifting water bucket with a mass of 2.5 kg up 36 m using a 1800W machine for 60 seconds? A) How much work is done slowing down Frank Tank’ Roberts with a ‘The mass of 1200kg (he’s a tank) from 9.2 m/s to 3.5 m/s?
Work, Power and Energy Questions How much work is done moving a 14.3 kg box across a floor (frictionless) 7.5m? What is the efficiency of your lifting machine lifting water bucket with a mass of 2.5 kg up 36 m using a 1800W machine for 60 seconds? A) How much work is done slowing down Frank ‘The Tank’ Roberts with a mass of 1200kg (he’s a tank) from 9.2 m/s to 3.5 m/s?
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