Kg*cm^2 /s^2 what does it represent

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Which is not an example of how an object gains elastic potential energy by stretching? a. jumping on a pogo stick b. pulling on a rubber band c. jumping on a trampoline

In one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.