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 pull on a rope with a certain force,and a wave travels in the rope with a certain velocity.If you double your force,the velocity of a wave in the rope is now ____________ the original velocity.
A)1/2
B) Times
C)the same as
D) Times
E)2 times

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 pull on a rope with a certain force,and a wave travels in the rope with a certain velocity.If you double your force,the velocity of a wave in the rope is now ____________ the original velocity.
A)1/2 
B) Times 
C)the same as 
D) Times 
E)2 times

Quizplus · Accepted Answer

According to the given formula, the velocity of a wave is directly proportional to the force applied. When the force is doubled, the velocity will also be doubled. Therefore, the velocity of the wave in the rope is now 2 times the original velocity. So, the answer is D.

When a Force F Stretches a Rope of Mass Per