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  3. a. a disk of radius 0.15 m spins at a rate of 18 r

A. A disk of radius 0.15 m spins at a rate of 18 rad/s. What is...

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Physics

A. A disk of radius 0.15 m spins at a rate of18 rad/s. What is the linear speed of a point on its outer rim? Howlong does it take that point to make a complete revolution? Whatwould be given as the frequency in hertz of this motion?

B. A mass and spring system is built with aspring constant of 5.0 N/m and a mass of 2 kg. What is its periodof oscillation? What length would a simple pendulum have to have tomake an identical mass oscillate with that same period?

Answer & Explanation Solved by verified expert
4.3 Ratings (547 Votes)
A Given the radius of the disc is R 015m and the angularvelocity of the disc is 18rads So the linear speed on the outer rim is given    See Answer
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