Question

Чему равна потенциальная энергия тела массой 2 кг, поднятого на высоту 12 м относительно поверхности Земли?

Answer 1

Ответ:

Eпот=mgh=2×10×12=240Дж

Скажите откуда я взял 10 так вот,это приблизительное значения ускорения свободного падения тоесть g

Answer 2

Calculation of Potential Energy

The potential energy of an object is given by the formula:

Potential Energy = mass * gravitational acceleration * height

In this case, we have a body with a mass of 2 kg lifted to a height of 12 m relative to the surface of the Earth. The gravitational acceleration on Earth is approximately 9.8 m/s^2.

Using the formula, we can calculate the potential energy:

Potential Energy = 2 kg * 9.8 m/s^2 * 12 m

Calculating this expression gives us the potential energy of the body.

Let's calculate it step by step:

Potential Energy = 2 kg * 9.8 m/s^2 * 12 m = 235.2 Joules

Therefore, the potential energy of the body with a mass of 2 kg, lifted to a height of 12 m relative to the surface of the Earth, is 235.2 Joules.

Please note that the value of gravitational acceleration used in this calculation is an approximation and may vary slightly depending on the location on Earth.

I hope this helps! Let me know if you have any further questions.