Please solve

Short Answer Questions (5 Marks) Show all your work. 1. My brother has a special 120.0 g baseball that is made up of two parts that is assembled with massless spring between them. One half of the baseball is three times more massive than the other half. The ball is launched at an angle of 55 above the horizon with an initial speed of 150.0 m/s. When it reaches the vertex of its symmetric trajectory the spring is released. Given that the; heavier piece lands back at the launch point. that both pieces land on the ground at the same time. the spring was compressed by 10.0 cm. Determine the spring constant of the spring