A small, electrically charged object A creates an electric field. At a point located 0.3 m directly north of A, the field has a value of 50 N/C directed to the south. What is the charge of object A

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