Answer :
An object sits at a height of 50 m and has a gpe of 5000j. when the object falls to the ground, the ending gravitational potential energy is zero. since the object has stopped moving, the kinetic energy is also zero. based on the law of conservation of energy, energy cannot be lost. The internal energy change into the mass energy.
What is the energy?
Energy is a term that means if some work on a object which has mass on it and have change its distance from one point to another that means the object has the energy. It can be measured in Joule.
How can we calculate the energy?
According to the question we understand that, the ending gravitational potential energy is zero cause the object falls in the ground.
so now we can say, mgh=0
m= the mass of the object, h= the height of the falling ball and g= the acceleration due to gravity.
Since the object has stopped moving, the kinetic energy is also zero. That means, (1/2)mv²=0
where, v= the velocity of the falling object.
As we know the energy can not be generated or destroyed, It can be changed, so for that case the overall energy of the object has not destroyed at all.
It is changed into mass energy. According to the mass conservation theorem, mass of the object can not be generated or destroyed.
So we can say easily that, The internal energy change into the mass energy.
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