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

1 Answer

5 votes

Answer:

The velocity is 6 m/s

Step-by-step 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 =
\sqrt[n]{x} 2160Joulex2/120kg\\

v= 6m/s

1Joule= 1 kgm2/s2

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