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An alloy to be used for a spring application must have a modulus resilience of at least 0.72 × 106 J/m3 (0.72 × 106 Pa). What must be its minimum yield strength (in MPa)? Assume that the modulus of elasticity
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An alloy to be used for a spring application must have a modulus resilience of at least 0.72 × 106 J/m3 (0.72 × 106 Pa). What must be its minimum yield strength (in MPa)? Assume that the modulus of elasticity for this alloy is 101 GPa.

User Joel Coehoorn
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Answer

Modulus of resilience R= 0.72*10^6Pa

Minimum yield Y=?

Modulus of elasticity E=101*10^9 Pa

Recall

Y=✓(2RE)

Y=✓(2*0.72*10^6*101*10^9)

=381365966Pa

Step-by-step explanation:

User Izeed
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