Refer to the following situation for questions 9-10. Two springs are connected e

Question

Refer to the following situation for questions 9-10. Two springs are connected end-to-end as shown. Student A holds the left end of spring L and student B holds the right end of spring R. Only one student creates a pulse, and a short time later, the spring is observed to have the following shape:

9. Which student created the incident pulse?

(a) student A

(b) student B

(c) there is not enough information to determine the answer.

10. Is the linear mass density of spring L greater than, less than, or equal to the mass density of spring R?

(a) greater than

(b) less than

(c) equal to

(d) there is not enough information to determine the answer.

Explanation / Answer

9. B

10. B

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