x15 points] What are the x and y locations of the robot's center of mass? Express first in terms of L and then give a numerical value. b) [5 points] Why would engineers want to know the location of the robot's center of mass? c) [15 points] What is the mass moment of inertia of the whole system about O? Express first in terms of mL and L, and then give a numerical value. d) [5 points] Why would engineers want to know robot's mass moment of inertia about O? e) [5 points] From a robot design, performance, and controllability perspective, why might it be beneficial for this robot's legs to be long? Why might it be beneficial for the robot's legs to be short