Question #226919

What is the sphericity of a hollow cylinder whose length is 10 times of its own diameter?

A) 0.14

B) 0.21

C) 0.37 D) 0.69

E) None of the above

Expert's answer

"\\phi_s= \\frac{6 V_P}{D_pS_p}\\\\\nV_p=\\frac{\\pi d^2 h}{4} =10*\\frac{\\pi d^3 }{4}\\\\"

S_{p} can be found by

"\\frac{\\pi}{6}D_p^3=\\frac{\\pi}{4}d_p^3\\\\\nD_p=6d^3\\\\\nD_p= 1.14d_p\\\\\nS_p= 1-D_p\\\\\nS_p= 1-1.14\\\\\nS_p=0.14"

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