1cupcakemonster 1cupcakemonster 16-09-2022 Mathematics contestada PLEASE HELP I WILL GUVE BRAINILY TO FIRST ANSWER A rock is thrown horizontally off a hill that is 5 m high (y). a. Find the final vertical speed (Vy) of the rock when it hits the ground. b. Find the time (t) it takes the rock to hit the ground.