A 40. 0 kg child sits on a swing with two vertical ropes that are each initially 4. 18 m long. Each rope increases in length by 2. 0 cm. (a) Determine the strain on each rope in both decimal and percentage notation. (two significant digits) %.
a) No strain can be determined
b) Decimal: 0. 048, Percentage: 4. 8%
c) Decimal: 0. 022, Percentage: 2. 2%
d) Decimal: 0. 040, Percentage: 4. 0%