An object falls freely from a height of 25m onto the roof a building 5m high. Calculate the velocity with which the object strikes the roof (g=10\(ms^{-2}\)
- 17.3\(ms^{-2}\)
-
20\(ms^{-2}\)
- 24.5\(ms^{-2}\)
- 125\(ms^{-2}\)
- 200\(ms^{-2}\)