PLEASE HELP I NEED HELP PLEASE! Ok, I need help with the epicenter what I'm looking for exactly is the epicenter of 350, 240, and 50 seconds. PLEASE HELP I'M SAD :

In this experiment, you will use a track, a toy car, and some washers to explore newton’s first two laws of motion. you will make observations and collect data regarding the motion of these objects. in the space below, write a general scientific question that you will answer by doing this experiment.

Will you chech and finish these for me, because i am stumped with them.

Any color picture tube and electric field exerts a net force of magnitude 1.68x 10^-13 n on an electron the rest mass of an electron is 9.11 x 10^-13 what is the electron acceleration?