The mass of Venus is 
Explanation:
The gravitational acceleration at the surface of a planet is given by:
where:
is the gravitational constant
M is the mass of the planet
R is the radius of the planet
For Venus, we know that:
is the radius of the planet
is the gravity at the surface
Solving the equation for M, we find Venus mass:
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<h2>Answer:</h2>
The correct answer is water vapor.
<h3>Explanation:</h3>
- In evaporation of water, particles with high kinetic energy tend to leave the water surface.
- Because high kinetic energy molecules move faster than others breaking bonds with other molecules.
- And escape the water to air in form of vapors.
- While the ice water contain molecules with low kinetic energy.
Answer:
Definimos:
Rapidez media es igual al cociente entre la distancia recorrida y el tiempo que se tarda en recorrer esa distancia.
En este caso la distancia recorrida es 400m, y el tiempo que se tarda es 30s, entonces la rapidez media va a ser:
RM = 400m/30s = 13.33 m/s
La velocidad media por otro lado, es igual al cociente entre el desplazamiento y el tiempo necesario para desplazarse.
El desplazamiento es igual a la distancia entre la posición final y la posición inicial, que en este caso eso 40m, y el tiempo necesario sigue siendo 30s, entonces la velocidad media va a ser:
VM = 40m/30s = 1.33 m/s
Explanation:
a) Power = work / time = force × distance / time
P = Fd/t
P = (85 kg × 9.8 m/s²) (4.6 m) / (12 s)
P ≈ 319 W
b) P = Fd/t
0.70 (319 W) = (m × 9.8 m/s²) (4.6 m) / (9.6 s)
m = 47.6 kg
If you mean climate change. Then scientists can study it by seeing where places and things are eroded.
