Question

10. A man throws a water balloon down off the edge of a building. If he wants the water
balloon to hit the ground at a velocity of -30.0 m/s and the building has a height of 20
meters, how fast should he throw the water balloon?

Answer 1

Answer:

intinal speed should be 10

Explanation:

v = v0 + at

30 = v0 +10.2

then v0= 10