Determine the weight w2 and the angle

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Reference no: EM1311828

Q1. An insulated Thermos contains 123 cm3 of hot coffee at 73 °C. You put a 12.0 g ice cube at its melting point to cool coffee. By how various degrees has your coffee cooled one time the ice has melted and equilibrium is reached? Treat the coffee as though it were pure water and neglect energy exchanges with environment.

Q2. The leg and cast in weigh 220N, with the center of mass as indicated by the blue arrow in the diagram. The counterbalance w1 weighs 110N. Determine the weight w2 and the angle α essential in order that there be no force exerted on the hip joint by the leg plus cast.

Reference no: EM1311828

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