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a_sh-v [17]
3 years ago
11

Como se conserva la energia mecanica del cuerpo de un deportista

Physics
1 answer:
ziro4ka [17]3 years ago
4 0

Answer:

the energy  food has is transformed into mechanical energy during exercise,

Explanation:

When a person is exercising, the energy accumulated in food is transformed into mechanical energy, in general if he is running in kinetic energy and if he is rising and falling in potential energy.

In this case the energy  food has is transformed into mechanical energy during exercise,

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A typical neutron star may have a mass equal to that of the Sun but a radius of only 20 km.(a) What is the gravitational acceler
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Answer:

331665750000\ m/s^2

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Explanation:

G = Gravitational constant = 6.67 × 10⁻¹¹ m³/kgs²

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g=\dfrac{GM}{r^2}\\\Rightarrow g=\dfrac{6.67\times 10^{-11}\times 1.989\times 10^{30}}{20000^2}\\\Rightarrow g=331665750000\ m/s^2

The gravitational acceleration at the surface of such a star is 331665750000\ m/s^2

v^2-u^2=2as\\\Rightarrow v=\sqrt{2as+u^2}\\\Rightarrow v=\sqrt{2\times 331665750000\times 16+0^2}\\\Rightarrow v=3257806.62409\ m/s

The velocity of the object would be 3257806.62409 m/s

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