You are sitting on a deck of your house surrounded by oak trees. You hear the sound of an acorn hitting the deck. You wonder if

Question

2 years ago

14

You are sitting on a deck of your house surrounded by oak trees. You hear the sound of an acorn hitting the deck. You wonder if

an acorn will do much damage if instead of the deck it hits your head. Let the mass of the acorn be 3.5 g. Suppose it drops from a height of 14 m (relative to your head). Assume that the acorn sinks in 0.50 cm of your head skin before coming to a stop.

Physics