A 68-kg skydiver has a speed of 52 m/s at an altitude of 670 m above the ground. Determine the kinetic energy possessed by the skydiver, KE =
1/2mv^2*

Roger pushes a box on a 30° incline. if he applies a force of 60 newtons parallel to the incline and displaces the box 10 meters along the incline, how much work will he do on the box? a. 5.2 × 102 joules b. 6.0 × 102 joules c. -5.2 × 102 joules d. -6.0 × 102 joules