(Figure 1) A bicycle wheel is mounted on a fixed, frictionless axle, with a light string wound around its rim. The wheel has moment of inertia I = km2, where m is its mass, r is its radius, and k is a dimensionless constant between zero and one. The wheel is rotating counterclockwise with angular speed wo, when at time t=0 someone starts pulling the string with a force of magnitude F. Assume that the string does not slip on the wheel. Figure < 1 of 1 > Y Part A Suppose that after a certain time t, the string has been pulled through a distance L. What is the final rotational speed wfinal of the wheel? Express your answer in terms of L, F, I, and wo. ▸ View Available Hint(s) 15] ΑΣΦΑ Wfinal= Submit Part B P= What is the instantaneous power P delivered to the wheel via the force Fat time t=0? Express the power in terms of some or all of the variables given in the problem introduction. ▸ View Available Hint(s) 195] ΑΣΦΑ Submit C Provide Feedback ? ?
(Figure 1) A bicycle wheel is mounted on a fixed, frictionless axle, with a light string wound around its rim. The wheel has moment of inertia I = km2, where m is its mass, r is its radius, and k is a dimensionless constant between zero and one. The wheel is rotating counterclockwise with angular speed wo, when at time t=0 someone starts pulling the string with a force of magnitude F. Assume that the string does not slip on the wheel. Figure < 1 of 1 > Y Part A Suppose that after a certain time t, the string has been pulled through a distance L. What is the final rotational speed wfinal of the wheel? Express your answer in terms of L, F, I, and wo. ▸ View Available Hint(s) 15] ΑΣΦΑ Wfinal= Submit Part B P= What is the instantaneous power P delivered to the wheel via the force Fat time t=0? Express the power in terms of some or all of the variables given in the problem introduction. ▸ View Available Hint(s) 195] ΑΣΦΑ Submit C Provide Feedback ? ?
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