velocity

Question

When a force F stretches a rope of mass per unit length ρ, the velocity of a wave in the rope is given by

You have two ropes of the same length. The mass of the second rope is twice the mass of the first rope. The velocity of a wave in the second rope is ___________ the velocity of a wave in the first rope.

a. 1/ SQRT2 times

b.the same as

c.2 times

d.1/2

e. SQRT 2 times

 
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