An object of mass 0.5 kg is hung from a spring whose spring constant is 40 nt/m. the object is subjected to a resistive force given by - b v where v is the velocity in meters per second (a) if the damped frequency is of the undamped frequency, what is the value of the constant b? (b) what is the q of the system and by what factor is the amplitude of the oscillations reduced after 5 complete cycles? (c) if the mass is increased by a factor of 3 (keeping all other parameters fixed) by what factor does the q change?