A disk clutch is required to transmit 5 kW at 2000 rpm the disk has a friction lining with
Coefficient of friction equal to 0.25. Bore radius of friction lining is equal to 25mm. assume
uniform contact pressure of 1MPa. The value of outside radius of the friction lining is
(a) 39.4mm
(b) 49.5mm
(c) 97.9mm
(d) 142.9mm