The 3.40 kg , 38.0-cm-diameter disk in (Figure 1) is spinning at 340 rpm . For help with math skills, you may want to review: Solving Algebraic Equations For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Nutcracker, Figure 1 of 1 Brake Part A How much friction force must the brake apply to the rim to bring the disk to a halt in 2.40 s ? Express your answer with the appropriate units. A O 1 ? Value Units Submit Request