contestada

A 3.8 kg object is lifted 12 meters. approximately how much work is performed during the lifting?

Respuesta :

olemakpadu
Work done is  equivalent to potential energy.

W = mgh.              m is mass in kg, g is acceleration due to gravity = 9.81 m/s², h is height = 12 m

     =  3.8 * 9.81 * 12

     = 447.336 Joules 

W = mgh.

m is mass in kg,

g is acceleration due to gravity = 9.81 m/s²,

h is height = 12 m

= 3.8 * 9.81 * 12

= 447.336 Joules

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