Question

A carpenter is working on a house two blocks away. you notice a slight delay between seeing the carpenter's hammer hit the nail and hearing the blow. at what time does the event "hammer hits nail" occur?

Answer 1

If a carpenter is working on a house two blocks away, then if you notice a slight delay between seeing the carpenter's hammer hit the nail and hearing the blow, so the time that the event does "hammer hits nail" occur is when the time you see that the hammer hits.