Three beads are placed along a thin rod. the first bead, of mass m1 = 22 g, is placed a distance d1 = 1.5 cm from the left end of the rod. the second bead, of mass m2 = 12 g, is placed a distance d2 = 2.4 cm to the right of the first bead. the third bead, of mass m3 = 53 g, is placed a distance d3 = 3.6 cm to the right of the second bead. assume an x-axis that points to the right. a) write a symbolic equation for the location of the center of mass of the three beads relative to the left end of the rod, in terms of the variables given in the problem statement.
b) find the center of mass in centimeters relative to the left end of the rod
c) write a symbolic equation for the location of the center of mass of the three beads relative to the center bead in terms of the variables given in the statement problem
d) find the center of mass in centimeters relative to the middle bead.
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Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.
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Three beads are placed along a thin rod. the first bead, of mass m1 = 22 g, is placed a distance d1...
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