Multiple Choice
If transverse waves on a string travel with a velocity of 20 m/s when the string is under a tension of 30 N,what tension will be required for the waves to travel with a velocity of 40 m/s on the same string?
A) 7.5 N
B) 15 N
C) 42 N
D) 60 N
E) 120 N
Correct Answer:

Verified
Correct Answer:
Verified
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