Question

Problem 5.88 Constants Abox of mass 113 kg rests on the flat floor of a truck The coefficients of friction between the box and floor are = 0.19 and 0.15 The truck stops at a stop sign and then starts to move with an acceleration of 2 19 m/s If the box is a distance 177 m from the rear of the truck when the truck starts, how much time elapses before the box falls of the truck? Express your answer using two significant figures 0 AED ROE? Submit Request Answer Part B How far does the truck travel in this time? Express your answer using two significant figures. AEO + O ?

Answer 1

From Newton's and Low IF = mo box Де ту агрефоз a box = lxg= 0.15 * 9.8=1-47m 152 from d = 1/2 (a trock- a box) t 1.77 = 1/2 (2.19 - 147) + t=2021745 Distance travelled by truck D = 1/2 a truckt" = X 2:19 X 2.2 1742 10 = 5:3838 m 6)