Please help

[5]23a. Determine the magnitude of the force on an o-particle that is traveling at a speed of v = 2.50 x10'm/s in the plane of the paper and suddenly enters a uniform 48.4 T magnetic field that is oriented, as shown by the dots ( . ) perpendicular to the paper. (Note: an o-particle consists of 2 protons and two neutrons.) Give your answer in the form "a.bc x 10(x)" N. [2]23b. The direction of the force on the alpha particle is Give your answer in the form -to the right of the page", "to the left of the page", "to the top of the page", "to the bottom of the page". [4]24. An electron in an atom has an orbital ma