If you double the diameter of the mirror of a reflecting telescope, how does the amount of collected light change?

Uppose we consider the system of the three capacitors as a single "equivalent" capacitor. given the charges of the three individual capacitors calculated in the previous part, find the total charge qtot for this equivalent capacitor. express your answer in terms of v and c.

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader

A20 cm long spring is attached to a wall. the spring stretches to a length of 22 cm when you pull on it with a force of 100 n. what is the spring constant