SPRING A IS SUPPOSED TO BE LIGHTER IN COLOR Refer to the following situation for
ID: 2109115 • Letter: S
Question
SPRING A IS SUPPOSED TO BE LIGHTER IN COLOR
Refer to the following situation for questions 6-8. Two students are performing an experiment. Two springs are connected at a point J that is equidistant from the students’ hands, as shown in the diagram below. Student 1 creates a pulse having a displacement on only one side of the spring. A short time later, student 1 and 2 receive pulses on opposite sides of the spring from each other.
6. Is the tension in spring A greater than, less than or equal to the tension in spring B?
(a) greater than
(b) less than
(c) equal to
(d) there is not enough information to determine the answer.
7. For this experiment, is the reflection at point J like that at a fixed end or a free end?
(a) fixed
(b) free
(c) there is not enough information to determine the answer.
8. At point J, a reflected and a transmitted pulse are created moving in opposite directions. Which student receives a pulse first?
(a) student 1
(b) student 2
(c) both students receive a pulse at the same time.
(d) student 2 never receives a pulse
(e) student 1 never receives a pulse
Explanation / Answer
Two students are performing an experiment. Two springs are connected at a point J that is equidistant from the students’ hands, as shown in the diagram below. Student 1 creates a pulse having a displacement on only one side of the spring. A short time later, student 1 and 2 receive pulses on opposite sides of the spring from each other.Â
6. Is the tension in spring A greater than, less than or equal to the tension in spring B?
c) equal to
7.  For this experiment, is the reflection at point J like that at a fixed end or a free end?
b) free
8.  At point J, a reflected and a transmitted pulse are created moving in opposite directions. Which student receives a pulse first?
(b) student 2
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