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Ejercicios para resolver del Examen Final de Conservación de la Energía y sus Interacciones I
Materia (COBATAB)

1. Un bloque de 5 kg se deja caer desde una altura de 10 m. Al llegar al suelo, ¿qué tipo de energía tiene el bloque y cuál es su valor?

2. ¿Cuánta energía térmica se necesita para calentar 1 kg de agua de 20 °C a 100 °C?

Sagot :

GinnyAnswer

Final answer:

When a 5 kg block is dropped from a height of 10 m, it possesses kinetic energy upon reaching the ground, as potential energy is converted entirely. The law of conservation of energy is crucial for understanding the block's energy state.


Explanation:

When the 5 kg block reaches the ground after being dropped from a height of 10 m, it possesses kinetic energy. The formula to calculate kinetic energy is KE = 0.5 m v^2, where m is the mass of the block and v is its velocity upon impact.

Given the block was dropped and not projected, its initial potential energy is converted into kinetic energy entirely. To find the kinetic energy, you can use the formula mentioned above after calculating the velocity of the block upon impact.

It is vital to consider the law of conservation of energy in this scenario to help determine the type of energy the block possesses and its value upon reaching the ground.


Learn more about Energy Conservation here:

https://brainly.com/question/44071866


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