A high-speed lifting mechanism supports a 875-kg object with a steel cable that is 33.0 m long and 4.00 cm2 in cross-sectional area.
(a) Determine the elongation of the cable.
______mm
(b) By what additional amount does the cable increase in length if the object is accelerated upwards at a rate of 3.5 m/s2?
______mm
(c) What is the greatest mass that can be accelerated upward at 3.5 m/s2 if the stress in the cable is not to exceed the elastic limit of the cable, which is 2.2 ? 108 Pa?
_______kg