contestada

If the mass of the coaster car is 50 Kg and the height of the car at position 4 is meters,
and the car is moving at 2 m/s at position 4, what is the mechanical energy of the
system?

Respuesta :

pfellas
Energy = gpe + Ke
= (50x9.8x4) + (1/2 x 50 x 4)
= 1960 + 100
= 2060 Joules

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