Physics, 26.11.2019 05:31 icantspeakengles
Find the center of mass (in cm) of a one-meter long rod, made of 50 cm of brass (density 8.44 g/cm3) and 50 cm of aluminum (density 2.7 g/cm3). (assume the origin is at the midpoint of the rod, with the positive direction towards the part of the rod made of aluminum. indicate the direction with the sign of your answer.)
Answers: 3
![X_{CoM} = \frac{\rho_{B}\frac{r^{2}}{2}]_{0}^{50} + \rho_{Al}\frac{r^{2}}{2}]_{100}^{50}}{M_{B}r + M_{Al}r}](/tpl/images/0391/0778/90568.png)
![X_{CoM} = \frac{8.44\frac{2500}{2}] + 2.7\frac{7500}{2}]{8.44\times 50 + 2.7\times 50}](/tpl/images/0391/0778/8a40f.png)
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Find the center of mass (in cm) of a one-meter long rod, made of 50 cm of brass (density 8.44 g/cm3)...
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