What is nuclear fission? why is this process important to stars?

1 answer:

4 0

Nuclear fusion is a reaction in which two or more atomic nuclei come very close and then collide at a very high speed and join to form a new nucleus. This process is important to stars because they get their energy from the nuclear fusion process

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580 nm light shines on a double slit with d=0.000125 m. What is the angle of the third dark interference minimum(m=3)?

snow_tiger [21]

Answer:

56.3

Explanation:

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4 years ago

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A 9-inch tall sunflower is planted in a garden and the height of the sunflower increases exponentially. 5 days after being plant

stira [4]

Answer:

a) h / h₀ = 1,682

, b) h / h₀ = 1.11

, c) h / h₀ = 2.07

Explanation:

For this exercise let's look for the growth equation, as they indicate that it is exponential

h = h₀ $e^{\alpha t}$

The initial height is 9 ”, so the constant

h₀ = 9”

Let's use the given values

h = 15.1655”

t = 5 days

h / h₀ = $e^{\alpha t}$

α = 1 / t ln h / h₀

α = 1/5 ln (15.1655 / 9)

α = 0.104

h = 9 e^{0.104 t}

a) the growth factor is the relationship between the initial value and the current value

h / h₀ = $e^{0.104 5}$

h / h₀ = 1,682

b) for t = 1 day

h / h₀ = $e^{0.104 1}$

h / h₀ = 1.11

c) for t = 7 days

h / h₀ = e^{0.104 7}

h / h₀ = 2.07

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3 years ago

A 50-cm-long spring is suspended from the ceiling. A 330g mass is connected to the end and held at rest with the spring unstretc

Anvisha [2.4K]

Explanation:

Given that,

Length of the spring, l = 50 cm

Mass, m = 330 g = 0.33 kg

(A) The mass is released and falls, stretching the spring by 28 cm before coming to rest at its lowest point. On applying second law of Newton at 14 cm below the lowest point we get :

$kx=mg\\\\k=\dfrac{mg}{x}\\\\k=\dfrac{0.33\times 9.8}{0.14}\\\\k=23.1\ N/m$