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jwbehm
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Homework Statement
A block of mass 3.1 kg rests on a frictionless inclined plane, held in place by a string of mass 0.023 kg. The angle of the plane from the horizontal is 32°, and the string length is 1.5 m. How long does it take a wave to travel from one end of the string to the other? Note: Since the string is so much less massive than the block, the mass of the string can be neglected when calculating its tension.
Homework Equations
v= square root of F/linear density
v= Distance/Time
The Attempt at a Solution
I have worked this several times and I keep coming up with .025. I got force of gravity in the x direction and came up with 55.1N. I then divided that by the linear density (.023/1.5m.) After taking the square root of that, my V was 59.9 M/s. I then put that in the V= D/T and got .025. Please tell me where I'm going wrong here. Thanks!
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