Question

A car of mass 600kg is moving at a speed of 54 km/h. Find its kinetic energy.
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Answer 1

Answer:

67500

Explanation:

Given:

Mass of Car : 600kg

Initial Speed of Car : 54 km/h

First step, convert the given speed to meter/second.

Speed in M/s = (54 x 5)/18 = 15 M/s

Now, we can use formula of Kinetic energy.

K.E = (mv^2)/2

= (600kg x 15 x 15)/2

= 67500 (kg m^2)/sec^2

Answer 2

Answer:

As we know that kinetic energy is equal to 1/2mv^2 where m and v are equals to mass and velocity of object. Therefore, kinetic energy of car is 67500J.

Explanations:

mass of car =600kg

speed of car = 53km/j=15m/s.