Answer:
Explanation:
i = ∫J dA
A = πr²
dA = 2πr dr
i = ∫J 2πr dr
= ∫3 x 10⁸ x 2πr³ dr
=3 x 10⁸ x 2π ∫ r³ dr
integrating and taking limit from r = .9 R to R
3 x 10⁸ x 2π / 4 [ 2⁴ - .9⁴ x 2⁴] x (10⁻³)⁴
= 4.71 x 10⁸ x .3439 x 10⁻¹² x 2⁴
= 25.9 x 10⁻⁴ A
Potassium iodide
Molar mass: 166.0028 g/mol
Formula: KI
5.8x10^3
3.02x10^8
4.5x10^5
8.6x10^10
Decision is less important than taking in part of discussions.
The ozone layer seem to have the greatest affect on the amount of radiation received from the sun.
