Question 18 (1 point) A long 20 m ladder weighs 80 kg and is resting against a smooth. The bottom of the ladder is at an angle of 60 degrees with the ground which has a coefficient of static friction of .3. How far can a 150 kg person go up the ladder before it begins to slip? 18.2 m 2.6 m 14.1 m 6.1 m 10.6 mQuestion 17 (1 point) A copper wire is 2 m long and 2 mm in diameter is stretched by 1mm. What tension is needed. (the Youngs modulas for copper is 1.17 X 10 ! Pa) O 1.84 X 10 1 N 735 N 1 34 N 1098 N 184 N