A certain part of an aircraft engine has a volume of 1.6 ft^3.
(a) Find the weight of the piece when it is made of silver.
____ lb
(b) If the same piece is made of aluminum, what is its weight?
____ lb
Determine how much weight is saved by using aluminum instead of silver.
____ lb
1
Expert's answer
2018-06-12T15:33:08-0400
We using the equation of the density ρ=m/V Therefore, we get weight materials m=ρV (a) Silver density is 655 lb/ft3 m=655 lb/〖ft〗^3 ×1.6〖 ft〗^3 m=1048 lb silver (b) Aluminum density is 169 lb/ft3 m=169 lb/〖ft〗^3 ×1.6〖 ft〗^3 m=270 lb aluminum (c) Saved=1048 lb-270 lb Saved=778 lb
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