0 0 9. [lpt] A penguin stands on the left edge of a sled which is resting on fri

Question

0 0 9. [lpt] A penguin stands on the left edge of a sled which is resting on frictionless ice. The penguin and the sled have equal masses. The coordinate systems in the lab frame and in the sled frame are shown. The zero position of the sled frame is at the left end of the sled. For each of the statements below, select the correct answer from the table A B C DEFG H IJ (E.g., if the answer to the first is A and to the rest, B, enter ABBBBB.) 1) The penguin walks to the right edge of the sled. How far does the penguin move in the lab frame? 2) The penguin walks to the right edge of the sled. Where is the centre of mass of the sled plus penguin system in the lab frame? 3) The penguin walks to the centre of the sled. Where is the centre of mass of the sled plus penguin system in the sled frame? 4) The penguin does not move. Where is the centre of mass of the sled in the lab frame? 5) The penguin does not move. Where is the centre of mass of the sled plus penguin in the sled frame? 6) The penguin walks to the centre of the sled. Where is the origin of the sled frame, as measured in the lab frame? Subrrit All All ArswErs Not yet correct, tries 1/15

Explanation / Answer

1) E

2) B

3) ?

4) ? does not move from center or from the origin? Not clear.

5) C

6) D

So the answer is gonna be:

EB??CD

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