A rock is thrown horizontally from a building at 15 m/s. It hits the ground 45 m from the base of the building. How high was the building?

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong chain

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

Explain what will happen if decomposers were apsent from a forest ecoysystem.