Two blocks with masses m1 = 4.0 kg and m2 = 5.0 kg, are connected by a light rope and slide on a friction wedge as shown in the Figure. Given it starts from rest, what is the speed of m2 after it has slid down 0.40 m along the incline? (Please include explanation, really want to understand the problem)

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter