In the following questions a beginning skier starts standing…

In the following questions a beginning skier starts standing still at the top of a run. He then starts down the hill speeding up as he goes. When he is going as fast as he wants, he angles his skis (snowplows), keeping his speed constant. Finally, he reaches a flat, level portion of snow at the bottom of this run.     

The James Webb telescope, the Hubble successor that is due t…

The James Webb telescope, the Hubble successor that is due to launch shortly, is designed so that it folds up for launch and unfolds to a much larger size after it is released in space. It is shown in both its folded and unfolded configurations below.    The James Webb will be rotating slightly when it is deployed in space. What will happen to its rotational speed as it unfolds to its larger size?