contestada

What is the speed of a 2.5-kilogram mass after it has
fallen freely from rest through a distance of 12 meters?

Respuesta :

AriesBabyy
the speed won't depend on the mass 
the equation of motion applicable is 
v^2 = 2gh 

plugging in, 
v^2 = 2*9.8*12 = 235.2 

v = sqrt(235.2) 

= 15.336 m/s 

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