A 75-kg long-jumper takes 3.1 s to reach a prejump speed of 10 m/s. Whats his power output?

Reece Witcher 1/24/18 Chapters 1 & 2 Chapter 1 Scalar Vector (dot product) A dot B = ABsin θ ● Used in non directional quantities Vector Product (cross product) A cross B= ABcos θ ● Used in directional quantities ● Any parallel (0 degrees) or antiparallel (180 degrees) = 0 ● i hat (x dimension) j hat (y dimension) and k hat (z dimension)...