Answer:
energia cinética
Explanation:
Passo um:
Dados fornecidos
Um bloco de peso igual a 10 N,
Constante de mola k = 50N / m
Passo dois:
A forma de energia formada é a energia cinética
Passo dois:
Da lei de Hooke, F = ke
e = F / k
e = 10/50
e = 0,2m
podemos resolver a energia cinética aplicando a fórmula
KE = 1 / 2ke ^ 2
KE = 0,5 * 50 * (0,2) ^ 2
KE = 0,5 * 50 * 0,04
KE = 1J
Answer:
146.826 KPa
Explanation:
Given:
The mass of the piston = 3.2 kg
Cross-sectional area = 35 cm²
Force exerted by the spring = 110 N
Atmospheric pressure = 95 KPa
Now,
the total pressure inside the cylinder is the sum of all the pressure exerted on it i,e the pressure due the weight of the piston, pressure due to the force by the spring and the atmospheric pressure.
Now,
the pressure due to the weight of the piston = Weight / Area
= 3.2× 9.81 / 0.0035
= 31.392 / 0.0035
= 8969 Pa
= 8.969 KPa
And,
The pressure by the spring = 150 N / 0.0035
or
The pressure by the spring = 42,857 Pa = 42.857 KPa
Thus,
The total pressure
95 + 8.969 + 42.857 = 146.826 KPa
1Draw a quick sketch of the object.
2Draw an arrow showing every force acting on the object.
3<span>To calculate the net force, add any vectors acting on the same axis (x and y), making sure to pay attention to the directions.
Hope this helps :)
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The most distant stars we can currently measure stellar parallax for are approximately 1,000 parsecs away.
<h3>What is a parsec?</h3>
A parsec is a unity used to measure distance in the Universe, which is hard to understand with human thinking.
A parsec equals to approximately 3.20 light-years, which is a small distance in the Universe.
In conclusion, the most distant stars we can currently measure stellar parallax for are approximately 1,000 parsecs away.
Learn more about parsecs here:
brainly.com/question/4520745
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