If 10. joules of work must be done to move 2.0 coulombs of charge from point a to point b in an electric field, the potential difference between points a and b is

The record distance in the sport of throwing cowpats is 81.1 m. this record toss was set by steve urner of the united states in 1981. assuming the initial launch angle was 45° and neglecting air resistance, answer the following. (a) determine the initial speed of the projectile. m/s