A moving electron accelerates at 5200 m/s^2 in a 55 degree direction. After 0.530 seconds, it has a velocity of 6598 m/s in a -20.5 degree direction. What is the x/y-component of the initial velocity? I'm two weeks behind in my physics work, I really need to know the entire process for solving one of these problems.

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx hurrim timed

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.