3 years ago

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

Physics

1 answer:

nadya68 [22]3 years ago

4 0

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

v= 6m/s

1Joule= 1 kgm2/s2

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