Return to serprob.txt CVS log

Up to [LON-CAPA] / loncom / homework / CAPA-converter / conversion_wrapper

Annotation of loncom/homework/CAPA-converter/conversion_wrapper/serprob.txt, revision 1.1

1.1     ! albertel    1: //****************************************************** 
        !             2: //  Serway & Faughn chapter 5 problem 68 difficulty 3
        !             3: //  written at MSU July 1998   T&T
        !             4: //****************************************************** 
        !             5: //BEG prob_val=1
        !             6: //LET try_val=99
        !             7: //HIN space for hints
        !             8: /IMP "/serway-lib/Tools/Problem#"
        !             9: /LET m=random(2.20,2.505,0.01)
        !            10: /LET k=random(100.0,120.5,1.0)
        !            11: /LET d=random(15.0,20.05,0.1)
        !            12: /LET angle=random(34.0,40.05,0.1)
        !            13: /LET alpha=web("alpha","$\alpha$","<i>alpha</i>")
        !            14: /LET picture=web("","\centerline{\epsfxsize=2.2in \epsffile{/serway-lib/Graphics/Graph05/serw0568.eps}}","<IMG SRC=/serway-lib/Graphics/Graph05/serw0568.gif>")
        !            15: A /DIS(m:2f)/DIS(kg_u) block situated on a rough incline (assume an angle of /DIS(alpha) = /DIS(angle:1f)/DIS(deg_u)) is connected to a spring of negligible mass having a spring constant k = of /DIS(k:0f)/DIS(NPm_u) (see the figure below)./DIS(newline)
        !            16: /DIS(newline)/DIS(picture)
        !            17: The block is released from rest when the spring is unstretched, and the pulley is frictionless. The block moves /DIS(d:1f)/DIS(cm_u) down the incline before coming to rest. Find the coefficient of kinetic friction between block and incline.
        !            18: /LET mu=-(k*d/100./2.-m*9.8*sin(angle*pi_c/180.))/m/9.8/cos(angle*pi_c/180.)
        !            19: /ANS(mu:2E,tol=2%,sig=3 plus 2,wgt=prob_val,tries=try_val)
        !            20: //******************************************************
        !            21: 
        !            22: 
        !            23: 
        !            24: 
        !            25: 
        !            26: 
        !            27: 
        !            28: 
        !            29: 
        !            30: 
        !            31: 
        !            32: 
        !            33: 
        !            34: 
        !            35: 
        !            36: 
        !            37: 
        !            38: 
        !            39: 
        !            40: 
        !            41: 
        !            42: 
        !            43: 
        !            44: 
        !            45: 
        !            46: 
        !            47: 
        !            48: 
        !            49: 
        !            50: 
        !            51: 
        !            52: 
        !            53: 
        !            54: 
        !            55: 
        !            56: 
        !            57: 
        !            58: 
        !            59: 
        !            60: 
        !            61: 
        !            62: 
        !            63: 
        !            64: 
        !            65: 
        !            66: 
        !            67: 
        !            68: 
        !            69: 
        !            70: 
        !            71: 
        !            72: 
        !            73: 
        !            74: 
        !            75: 
        !            76: 
        !            77: