Saturday, May 9, 2015

How do you find the kinetic energy of a ball with a mass of 0.06 kg moving at 50 m/s?

The kinetic energy of an object is calculated by using the following equation:


Kinetic energy = 1/2 mv^2


where m is the mass of the object in kg and v is its velocity (m/s).


In the given case, the mass of the object is 0.06 kg and it has a velocity of 50 m/s. Hence its kinetic energy can be calculated as:


Kinetic energy = 1/2 mv^2 =1/2 x 0.06 x (50)^2= 75 J


The unit of kinetic energy is Joule or J and 1 J is equal to 1 kg m^2/s^2.


The kinetic energy, in simple terms, is the energy possessed by a moving object, such as a falling marble or a rolling ball. In comparison, potential energy is associated with the position of an object, such as the potential energy of water stored behind a dam, etc.


Hope this helps. 

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