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Sagot :
Answer:
3072J
Explanation:
At all points through her slide, it is important to reiterate that energy is always conserved.
Kinetic energy is the energy due to the motion of a body.
Potential energy is the energy due to the position of a body.
Based on the law of conservation of energy, energy is neither created nor destroyed but simply transformed from one form to another.
So;
At all points:
Total energy = Potential energy + Kinetic energy
Since the initial energy = 5000J which is the potential energy
This is the total energy within the system as the kinetic energy at this point is 0;
After a few seconds, the potential energy is 1928J;
Kinetic energy = Total energy - potential energy = 5000J - 1928J
Kinetic energy = 3072J
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