Derive the expression for p in terms of the Kinetic energy K using the correct relativistic expression. This is always correct but could suffer from numerical inaccuracy. b. Derive the expression for p in the nonrelativistic limit (pc<>mc2). d. In each of the three above cases write an expression for the wavelength taking advantage of our units like MeV/c2 for mass. e. What is the wavelength of a 2 eV photon

What is the function of the commutator in a dc motor? a. to spin the magnet b. to change direct current into alternating current c. to change alternating current into direct current d. to spin the wire coil

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be