A. Because they reflect their color and absorb all the others
Answer:
F=1.4384×10⁻¹⁹N
Explanation:
Given Data
Charge q= -8.00×10⁻¹⁷C
Distance r=2.00 cm=0.02 m
To find
Electrostatic force
Solution
The electrostatic force between between them can be calculated from Coulombs law as

Substitute the given values we get

Answer:Water is easily evaporated, and oil and grease will not evaporate.
Explanation:
Answer:
nothing interest, i just hate that part i love only the calculations