(1296) Problem 6: A solid disk of mass M= 3.5 kg and radius R = 0.85 m rotates in the z-y plane as shown ©theexpertta.com 33% Part (a) Write an expression for the magnitude of the net torque required for the disc to achieve a given rotational speed when starting from rest in terms of M, R, ω, and t. Grade Summary Deductions Potential 0% 100% 789 Submissions Attempts remaining: 1l0 (1%per attempt) 0) 兀 123 detailed view END BACKSPACE Submit Hint I give up! Hints:-%-deduction per hint. Hints remaining:- Feedback: 0% deduction per feedback 33% Part(b) What is an expression for the force that produces this torque ifit is applied to the edge of the disc and in a direction that is tangent to the disc in terms of τ and R? Δ 33% Part (c) If, as soon as the angular speed is ω = 41 rad/s, the force is immediately removed and a mass m 055 kg is dropped at r 0.095 m on the disc and sticks there, what would be the new rotational velocity of the disc in rad/s?