suttonbreanna075 suttonbreanna075
  • 19-02-2020
  • Physics
contestada

an object with a kinetic energy of 2160 J has a new mass of 120kg. What is it's velocity?

Respuesta :

magalieisik magalieisik
  • 20-02-2020

Answer:

The velocity is 6 m/s

Explanation:

We use the formula of kinetic energy=

Ec= 1/2 x m  x v2

2160 J = 1/2 x 120 kg x v2

v =[tex]\sqrt[n]{x} 2160Joulex2/120kg\\[/tex]

v= 6m/s

1Joule= 1 kgm2/s2

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