How do i calculate and compare the angular resolutions of various telescopes. assume the resolutions of the telescopes are diffraction limited, and use the rayleigh criterion for angular resolution?

Ten students stand in a circle and are told to make a transverse wave. what best describes the motion of the students? each student bumps the shoulder of his or her neighbor. at the exact time, all students take a step to the right. the students skip clockwise, going in a circular motion. one at a time, each student lifts his or her hands up and then down.

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

How do cracks affect the rate of weathering?