Multiple Choice
A 50-kg air conditioner is placed on top of a concrete pad with a cross-sectional area of 3.0 m2 and 20 cm thick. What is the change in thickness of the pad? Young's modulus for concrete is 2.3 × 1010 N/m2.
A) 1.4 × 10-9 m
B) 2.8 × 10-9 m
C) 1.4 × 10-8 m
D) 1.4 × 10-7 m
E) 2.8 × 10-8 m
Correct Answer:
Verified
Correct Answer:
Verified
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