FreeWiFiKing FreeWiFiKing
  • 13-07-2016
  • Physics
contestada

the kinetic energy of a 1000-kg roller coaster car that is moving with a speed of 20.0 m/s.

Respuesta :

youma
youma youma
  • 13-07-2016
E=(mV^2)/2
m=1000kg, V=20m/s
then, E=(1000kg*(20m/s)^2)/2
E=(1000*400)/2 J = 200000J
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