Q. As you sit facing your computer screen, electrons are directed from a source at the back of the computer toward you and are deflected by a magnetic field. Which direction must the magnetic field be oriented in order to direct the electrons to the bottom of the screen?
Q. After a tornado, a 0.50 straw was found embedded 3.0 into the trunk of a tree.If the average force exerted on the straw by the tree was 85 , what was the speed of the straw when it hit the tree?