Answer:
To not fail english
(ignore this part is asked for 20 characters)
Answer:
this is not enough information for me to answer so once you give me some more information maybe I can answer it correctly
Explanation:
Answer:
Dr Hewitt is able to break the piece of wood in his demonstration given that he had knowledge about the concept of momentum, which is esentially the product of the mass and speed of an object.
Aplying this idea, he used the correct momentum of his hand over a short period of time and that is how he was able to break the piece of wood.