1.1.An equal-tangent crest curve connects a +2% initial grade with a -1% final grade, and is designed for 55 mi/h. The station of the PVI is 233 + 40 with elevation 1203 ft. What is the elevation of the curve at station 234 + 00?
2.What is the velocity of an electron that falls through a magnetic field aligned electric potential of volts across an accelertion region that is 10 k long? (neglect collisions and gravity and assume the electron has zero degree pitch-angle (i.s moving along the field)