Question

A sinusoidal wave is generated by moving the end of a string up and down periodically....

A sinusoidal wave is generated by moving the end of a string up and down periodically. The
generator must supply the greatest power when the end of the string
A. has its greatest acceleration
B. has its greatest displacement
C. has half its greatest displacement
D. has one-fourth its greatest displacement
E. has its least displacement
ans: E
42. A sinusoidal wave is generated by moving the end of a string up and down periodically. The
generator does not supply any power when the end of the string
A. has its least acceleration
B. has its greatest displacement
C. has half its greatest displacement
D. has one-fourth its greatest displacement
E. has its least displacement
ans: B

explain please

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Answer #1

Correct options are : 1. has its least displacement

2. Has its greatest displacement

Explanation :

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