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hill slopin Figure P8.63 68. A penduh 64.A block of mass m, 20.0 kg is AMI connected to a block of mass Mm 30.0 kg by a massless string of sphere, s plane. The a distance sus mi string that passes over a light, frictionless pulley. The 30.0-kg block is connected to a spring / that has negligible mass and a force constant of k 250 N/m as shown in Figure P8.64. (The Figure P8.64 spring is unstretched when the system is as shown in the figure, and the incline the minim is frictionless. The 20.0-kg block is pulled a distance 69. A block of h 20.0 cm down the incline of angle θ 40.00 and released from rest. Find the speed of each block whene the spring is again unstretched. ons that if the a height b will return string strik released fr and is to sw lower end e the spring 65, A block of m on
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n2 11-17 cん 2 2 O 2 3.0レ厂ー Sov Vレニ 0.0.60

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