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Elena L [17]
2 years ago
12

Our rule-of-thumb for presenting final results is to round to three significant digits or four if the first digit is a one. By t

his rule, write the result for
σ = Me/I , where M= 1835 lbf in and I/c = 0.875 in^3
Engineering
1 answer:
olga_2 [115]2 years ago
4 0

Answer:

To four significant digits = 2097 psi

Explanation:

<u>Applying the rule of thumb </u>

σ = Mc/I  ---- ( 1 )

M = 1835 Ibf in ,  I/c = 0.875 in^3

∴ c/l = 1 / 0.875 = 1.1429

back to equation 1

σ = 1835 * 1.1429 = 2097.2215 psi

To four significant digits = 2097 psi

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