Locate the mass center of the assembly

Reference no: EM13549273

1.What is the change in internal energy for a piston and cylinder system initally containing 0.5m^3 of helium at 100kPa and 5C being compressed to 200kPa?

(a) -11.5 kJ

(b) 0 kJ

(d) 37.5 kJ

(e) 121.9 kJ

(f) 321.1 kJ

2.The two upper lengths of the welded Y-shaped assembly of uniform slender rods have a mass per unit length of 0.3 kg/m, while the lower length has a mass of 0.7 kg/m. Locate the mass center of the assembly. lenghts of all rods aew 30mm

Reference no: EM13549273

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