Robert Su$$rez throws a baseball upward from the ground with an initial speed of

$20$m$/$s$.$ Two seconds later, Shohei Ohtani throws another baseball upward from the same point with an

initial speed of $25$ m$/$s$.$

a$)$ At what time after Ohtani$$s throw will the two balls be at the same height?

b$)$ At what height will this occur?

c$)$ Are the two balls moving in the same direction when they are at the same height?