A 70 kg bicycle moving at 10 m/s strikes a stationary 2000 kg car. The bicycle bounces backwards at 2 mls. What is the velocity of the car after impact?

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.