On a hot summer day, two kids are playing on the beach. John on the deck shoots water out of the super soaker horizontally and it hits Niguel as in fig. What was the velocity of the water as it left the super soaker?

Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?