Write an equation for the magnetic field vector B generated by the current at an arbitrary point in terms of I, the length element dl, and the vector for the distance R from dl to the point.

Ashot putter releases the shot some distance above the level ground with a velocity of 12.0 m/s, 51.0 ∘above the horizontal. the shot hits the ground 2.08 s later. you can ignore air resistance. how far did she throw the shot?