Question

11.39 00 PM End Date: 4/22/2019 ( 10%) Problem 10: 1159:00 PMM You have a horizontal grindstone (a disk) that is 86 kg, has a 0.32 m radius, is turning at 93 rpm (in the positive direction), and you press a steel axe against the edge with a force of 18 N in the radial direction ed Otheexpertta.com ed 50% Part (a) Assuming that the kinetic coefficient of friction between steel and stone is 0.20 calculate the angular acceleration of the »蠶 edgrindstone in rad/s2 Grade Sammary Deductions 12% Potential 55% ed ed ed α 0.2616 789 HOME i cos tan) cotanO asin acos0 atanO acotan sinho Submissions Attempts remaining d per attempt) 12 3 detailed vie 4% 490 4% coshOtan cotanh0+ Degrees O Radians I give up Hint Submit

Answer 1

friction fonce f= N (es) (0.3a) orpste