Recent content by phm

Or if you can't see those... http://s245.photobucket.com/albums/gg65/darlieally/?action=view&current=Untitled1.jpg" and http://s245.photobucket.com/albums/gg65/darlieally/?action=view&current=Untitled.jpg"

http://s245.photobucket.com/albums/gg65/darlieally/?action=view&current=Untitled.jpg It's supposed to say 30degrees And then the free body diagram (which I am not quite sure that I have done properly): http://s245.photobucket.com/albums/gg65/darlieally/?action=view&current=Untitled1.jpg...

Homework Statement A 1.0 kg wood block is pressed (30 degrees) against a vertical wood wall by a 12N force as in the picture. If the block is initially at rest, will it move upward, downward, or stay at rest? In the book, it gives the us as 0.50 and the uk as 0.20. Free Body Diagram...

Homework Statement A battery supplies a steady current of 5.6 A for 21s. During this time 1410J of chemical energy is transformed into electric energy, but 560J of this electric energy is transformed into heat energy inside the battery. a) What is the emf of the battery? b) What is the...

Homework Statement Point X is 0.25m away from a point charge of +4.7 X 10-8C, point Y is 0.65m away. What is the potential of point X with respect to point Y? Homework Equations V= kQ/d The Attempt at a Solution I was able to find the potential of X using V=kQ/d with respect to the...