lecture11_clicker - In class Quiz (will count for credit)...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
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 =− = In class Quiz (will count for credit)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
A spring (k=800 N/m) is compressed 10 cm.
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

lecture11_clicker - In class Quiz (will count for credit)...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online