Derive the first equation of linear motion

There are three equations of motion that can be used to derive components such as displacement(s), velocity (initial and final), time(t) and acceleration(a). ... First Equation of Motion : v=u+at. v = u + a t. Second Equation of Motion : s=ut+12at2.

Explanation:

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your answer is, orbit around the nucleus

when two balls of the different masses are dropped from equal height, they reach the ground at the same time .this is because they experience the same acceleration.

the acceleration is independent of mass.

thus when they are dropped they will always maintain the same velocity and travel the same distance (neglect air resistance of course) at the same time.