May you please answer question 2 and 3

2. [0/1 Points] DETAILS MY NOTES SERPSE10 28.1.OP.004. PREVIOUS ANSWERS ASK YOUR TEACHER PRACTICE ANOTHER A proton moves with a velocity of v = (2i - 6j + k) m/s in a region in which the magnetic field is B - (i + 2j - k) T. What is the magnitude of the magnetic force this particle experiences? X Check your evaluation of the cross product as this is a likely source of error in your calculation. N Need Help? Read It Watch It Submit Answer 3. [-/2 Points] DETAILS MY NOTES SERPSE10 28.2.OP.006. ASK YOUR TEACHER PRACTICE ANOTHER An electron moves in a circular path with a speed of 1.49 x 10 m/s in the presence of a uniform magnetic field with a magnitude of 2.04 mT. The electron's path is perpendicular to the field. (a) What is the radius (in cm) of the circular path? cm (b) How long (in s) does it take the electron to complete one revolution? Need Help? Read It Submit