msali0315 msali0315
  • 23-05-2017
  • Physics
contestada

A car moving with a velocity of 20 meters/second has 1.8 × 105 joules of kinetic energy. What is the mass of the car?

Respuesta :

kkeaeman
kkeaeman kkeaeman
  • 24-05-2017
V = 20 m/s 
Ecin = 1.8 x 10^5 J 

Ecin = m*v^2/ 2 
1.8*10^5 = m*400/2 
200m = 1.8*10^5 

I know you can do it :) 

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