Help please I need it fast

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?

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.

Coal contains energy. a. light b. kinetic c. chemical d. mechanical