Question

An object of mass 15 kilogram is moving with a uniform velocity of 4 m per second what is the kinetic energy possessed by the object

Answer 1

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Answer 2

Answer:

Kinetic energy possessed by the object is 120 J.

Explanation:

Given,

An object of mass = m = 15 kg

Uniform velocity = v = 4m s-¹

To find: what is the kinetic energy possessed by the object.​

Solution:

Kinetic energy is defined as the energy of the body by virtue of its motion.

Kinetic Energy is directly proportional to the square of velocity.

i.e K.E = 1 / 2 mv²

here, m = 15 kg and v = 4 m/s

Substituting values, we will get,

K.E = 1/2 * 15 * 4 * 4

K.E = 120 J

Therefore, kinetic energy possessed by the object is 120 J.