Ryan and Felipe both just passed their PE exam. To celebrate Felipe wants to lea

Question

Ryan and Felipe both just passed their PE exam. To celebrate Felipe wants to learn how to play the guitar. So he steals Ryan's guitar, hops into his Porsche 911, and speeds off (accelerating at a rate of 5 . It takes him 5 seconds to notice Felipe stole this guitar, he then jumps in his prius and takes off after him even though he knows there is no way he's catching a Porsche. Felipe plucks the guitar, playing the normal mode (a C note) on the 0.7 m long string. Ryan knows that the string has a tension of 9,8000 N and a linear density of 0.073 kg/m. How long until Ryan hears the C note as an A note (220 Hz). m/s^2 ). Ryan is more mature than Felipe, so instead of buying a nice car he put his money into the stock market. But because of that could only afford a Priuss, which has a maximum acceleration of 2

Explanation / Answer

apply time period T = 2pi sqrt(T/u)

where T is tension

and

u is mass per unilt length

so

T = 2*3.14 * sqrt(1000/0.073)

T = 735.01 secs

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