What is the kinetic energy of an object that has a mass of 30 kg and moves with a velocity of 20 m/s?

Given that:

kinetic energy of an object (K.E) = ?

mass of the object (m) = 30 Kg ,

velocity of object (v) = 20 m/s,

We know that,

Kinetic energy is a form of energy, that an object as by reason of its motion.

mathematically,

      The kinetic energy of the object (K.E) = 1/2 . (m. v²)

                                                                         = 1/2.(30 × 20²)

                                                                         = 6000 Joules

                                                                K.E = 6000 J or 6 KJ

The kinetic energy of the object is 6000 Joules

Units ;    N.m = J  (energy measured in Joules)

           KN.m = KJ

Kinetic energy of the given object is 6000 J or 6 KJ.

Explanation:

We are given:

mass of the object = 30 kg; and

velocity with which the object moves = 20 m/s.

We know the formula of the kinetic energy:

Kinetic energy = 1/2 × mv

Substituting the given values in the above formula to get:

Kinetic energy of object = 1/2 × 30 × 20 = 6000 J or 6 KJ

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