midnightwhispers midnightwhispers

08-04-2017
Physics

contestada

Jai-Anne who has a mass of 45 kilograms,climbed 3 m up a ladder to rescue her cat from a tree. How much work against gravity did she do?

Respuesta :

duskowl45 duskowl45

09-04-2017

work=force*distance.
Force= (9.8x45) because that's the force of her weight.
Distance is 3 m. (given)

work=(9.6x45)(3)=1323 joules

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