Multiple Choice
When a weight W is hanging from a light vertical string,the speed of pulses on the string is V.If a second weight W is added without stretching the string,the speed of pulses on this string will now become
A) 2V.
B)
V.
C) V.
D) V/ 
E) V/2.
Correct Answer:

Verified
Correct Answer:
Verified
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