Spacewalk 1.0;: 9 While constructing a space platform, a 100. kg robot is standing on a 23.0 m long, 330. kg steel beam that is floating in space, initially motionless relative to the platform and pointing South. Using its magnetic feet the robot starts walking along the beam in the Southerly direction at 1.20 m/s relative to the beam. What is the robot's velocity relative to the platform in m/s (take the direction towards the platform as positive)? B Platform (at rest) Answer ll.9647 Updatedjust now Show feedback LT