If you push a book against a wall hard enough it will not slide down even though gravity is pulling it. use what you know about friction and newtons laws of motion to explain why the book does not fall

It is may 5 and you are somewhere in the northern hemisphere. if you determine that the noon sun is 51 degrees above your southern horizon, what is the latitude of your location

How can you increase the strength of an electromagnet?

A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.