Pierre curie was the one who discovered radium
Answer:
F = GMm / r²
from Newton's law of gravitational attraction
The correct answer is C. Universal Gravitation (it was written by Issac Newton)
The area of the rectangle plus the area of the triangle under the line .-.
Answer:
The principle of superposition which is also called superposition property,states that when two or more waves of the same type cross at some point, the resultant displacement at that point is equal to the sum of the displacements due to each individual wave.
Explanation:
