Recent content by Confusingmeh

Homework Statement An adult exerts a horizontal force on a swing that is suspended by a rope of length L, holding it at an angle \Theta with the vertical. The child in the swing has a weight W and dimensions that are negligible compared to L. The wights of the rope and of the seat are...

Homework Statement A 30.0 kg packing case is initially at rest on the floor of a 1500 kg pickup truck. The coefficient of static friction between the case and the truck floor is 0.30 and the coefficient of kinetic friction is 0.20. Before each acceleration given below, the truck is traveling...

Homework Statement Simplify Sin[3θ] (no double angles) Homework Equations Sin[3θ]=Sin[θ+2θ] Sin[α + β] = Sin[α] Cos[β] + Cos[α] Sin[β] Sin[3θ] = 3sinθ - 4sin^3 θ Cos2θ = 1-2Sin^2θ The Attempt at a Solution Sin[3θ] = sin[θ+2θ] Sin[θ+2θ] = Sinθ Cos2θ + Cosθ Sin2θ Sinθ Cos2θ + Cosθ Sin2θ =...