A 100-Kg Person Sits on a 5-Kg Bicycle $8.0 \times 10 ^ { 5 } \mathrm {~Pa}$

Multiple Choice

A 100-kg person sits on a 5-kg bicycle. The total weight is borne equally by the two wheels of the bicycle. The tires are 2.0 cm wide and are inflated to a gauge pressure of $8.0 \times 10 ^ { 5 } \mathrm {~Pa}$ What length of each tire is in contact with the ground?

A) 1.6 cm
B) 2.4 cm
C) 1.8 cm
D) 6.4 cm
E) 3.2 cm