Someone please help, really easy. before 3:00pm Gulf Standard Time, for 25 points

Protons and neutrons are found within the nucleus of an atom

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

Which body is in equilibrium? (1) a satellite orbiting earth in a circular orbit (2) a ball falling freely toward the surface of earth (3) a car moving with a constant speed along a straight, level road (4) a projectile at the highest point in its trajectory