2. [2\" Points] DETAILS PREVIOUS ANSWERS OSCOLPHYSZO'I EACC 7.4.XP.001. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A 2.3 kg mass starts from rest at point A and moves along the x-axis subject to the potential energy shown in the gure below. 2m 4m 6m 3m 10m (D (a) Determine the speed (in mfs) of the mass at points B. C, D. (For each answer, enter a number.) mm o m point C Is energy conserved? If so, how do you know it is conserved? How does the total energy at A compare to the total energy at any other point. mfs |:|x point 0 Is energy conserved? If so, how do you know it is conserved? How does the total energy at A compare to the total energy at any other point. mfs