18.13; 20 kg Child slides down a hill where the coefficient of friction is 0.25. a. Draw a quantitative force diagram for the child. 1). Determine the acceleration of the child. Show your work. c. Determine the value of the coefficient of friction that would give the child an acceleration of 0.5 W53. a Z fx = 30.6IN Fasino = 196x 8in 38 =: 120-67N = 154.45N Fg = W= 20xg.ON = 196 N 30 Scanned with CS CamScanner