clicker10_09 - In class Quiz #10-1 The hammer (mass 2 kg)...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
1 The hammer (mass 2 kg) is moving at 5 m/s. It comes to a stop driving the nail into the board. How much heat is generated in the nail, hammer, & board? (Ignore movement of hand and arm) A. 50 joules B. 2 joules C. 250 joules D. 100 joules E. 25 joules 2 mv 2 1 KE = net f i WK E K EK E =−= Δ In class Quiz #10-1 Your physics professor asks you to stand against the wall and release a bowling ball hanging on a rope. As you let it go, you really, really want to jump out of the way, but your firm belief in what law of physics helps
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/17/2011 for the course PHY 2053 taught by Professor Buchler during the Spring '06 term at University of Florida.

Ask a homework question - tutors are online