Question

Part A-C. Please note I’ve attempted A many times so be sure to not write the same answer

TakeTutorialAssignment.aspx с" search Lmear Momentum Begin Date: 1/23/2019 12:00:00 AM-Due Date: 1/27/2019 11:59.00 PM End Date: 2/14/2019 11:00:00 PM (5%) Problem 20: Three beads are placed along a thin rod. The first bead, of mass m 22 g is placed a distance dy 1S cm from the left end of the rod. The second bead, of massm11 g, is placed a distance d-1.6 cm to the right of the first bead. The third bead, of mass m 42 g,is placed a distance dy 3.9 cm to the right of the second bead. Assume an x-axis that points to the right n. Ctheespertta.com leed lened lctod S: 25% Part (a) write a symbolic equation for the location of the center of mass of the three beads relative Do the left end of the rod in terms of the variables given in the problem statememt Amempts Remal pleted | 25% Part O) Find the center of mass, in centimeters, relative to the left end of the rod. pletedw npicted variables given in the problem statement. 25% Part (c) write a symbolic cquation for the location ofthe center of mass of the three beads relative tothe center bead. in terms ofthe Grade S mpleted 20 p 3 5 8

Answer 1

a) Xcm = (m1d1 + m2(d1+d2) + m3(d1+d2+d3))/(m1+m2+m3)

You need to use proper brackets or parantheses.

b) (22*1.5+11*(1.5+1.6)+42*(1.5+1.6+3.9))/(22+11+42) = 4.814 cm

c) Xcm = (-m1d2+m3d3)/(m1+m2+m3)