Question

< Problem Assignment No. 2 Equations of Motion: Rectangular Coordinates ) 40 Learning Goal To set up and salve the equations of motion using rectangular Part A-Net force on the collar The 3.5-kg collar shown has a coefficient of kinetic friction ?'t 0.185 with the shaft. The spring is un stretched when What is the net force on the collar along the directien of the shaft? View Available Hins) 0 and the collar is given an initial velocity of 16.4 m/s. The unstretched length af the spring is d-1 m and the spring constant is k-15.6 N/m. Figure 1) Figure 1 of1 Submit Part B-The acceleration of the collar after it has moved a certain distance What is the accelenation of the collar after it has moved 7.25 m Express your answer to three significant figures View Available Hint(s)

Please answer the following question clearly and show your work.

Answer 1

Answer Given tbat Macr tt the Collar (m) - 3.5k Coefficient Kînetc fictien (k) 0-185 o164 กา Spring Conctant (j) IS 6 N What Tg the net-force on-the colo along the diectin the shast rrg sine = cose 2

Putting the nice 하·Xin eqO ,We get- でf onolug -Hence, option@ ΐς Co rect The accelerache the Collar Attet ha oved a cartain diStance ma a- sid -125 (#25) +1 7.25)+1

3.5 524% )--6.352. ( m) ปู่ 52:56 一(6.ろS2H(2·ggc)N53.56) 3.5 53,56 Vo) - (6.382) (8)() 3.5 ·318 0.991)- (6.352) +(e8(-318)-03) 15-6(6.318) 3.5 3 ST 30.573 m/s C speed the Colan at tu it hu mond a Ce, tain distra mene"พ balance ㅋ 흘x35(«ή, (o.re#xtosa xar)-tost'. ¼xw(6.25 오

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