PLEASE HELP! WILL MARK BRIANLIEST! What quarks make up a proton?

A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.

You will be galileo perform the experiment to determine if objects with different mass fall at the same, or different, rates in the air and in a vacuum. (refer to the walk-through video to locate the online lab within the online textbook).

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