Answer:
a) K = 1.4036 10⁻²⁰ J
, b) r = 1.23 m
Explanation:
a) The kinetic energy of the proton is
K = ½ m v²
Let's calculate
K = ½ 1.67 10⁻²⁷ (4.10 10³)²
K = 1.4036 10⁻²⁰ J
b) At the point of closest approach the hundred and potential energy are equal
U = K
q E = K
To cellular the electric field let's use Gauss's law
Ф = E dA = / ε₀
We define a Gaussian surface as a cylinder with a base perpendicular to the charge line, whereby the radius of the cylinder and the intensity of the electric field are parallel, whereby the scalar product is reduced to the algebraic product
E A = q_{int} / ε₀
The cylinder area is
A = 2π r l
We use the concept of linear density for the load inside
λ = q_{int} / l
q_{int} = λ l
We substitute
E 2π r l = λ l /ε₀
E = λ / 2π ε₀r
At the point of closest approach
q E = k
q λ / 2πε₀ r = K
r = q λ / 2πε₀ K
Calculous
r = 1.60 10⁻¹⁹ 6.00 10⁻¹² / (2π 8.85 10⁻¹² 1.4036 10⁻²⁰)
r = 1.23 m
Answer:
55.84 look at periodic table
so 55.84*3= 167.52gFe
The answer is Helium Flash.
A helium flash marks the looming end of a red giant. As a red giant expands in its outer layers, its core is actually contracting. The core would eventually form a white dwarf.
As the core reaches a certain temperature, helium will start to fuse to form carbon. As this occurs, the fusing of helium, the core heats up. The core is not able to expand to cool down, so the reaction increases the core until the core will ultimately explode.
Examples of medium are solid ,liquid ,and gas basically matter. :D
Answer:
An Object is positively charged if it has more Positive Electrons in that object