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Question:

Physics: What is weight of piece of aluminum 0.1 m by 0.3 by .75 Meter?

(Aluminum Mass density is 2,700 kg/m3 and Weight density 168 lb/ft3)My professor got a answer of 515.35NCan you figure out how my professor came out with that outcome? I have been trying to figure out for 3 weeks and got nowhereCan you please let me know how did my professor figure that out? It could be the professor was wrong, but i'm not sureI need to know step by step on how to do get the answer as well? Please help me! Thank you!

Answer:

multiply the 3 together to get the volume0.0225 m? assuming this is a cuboid in shapedensity Aluminum 2700 kg/m? 0.0225 m? x 2700 kg/m? 60.75 kg, the mass the weight on the surface of earth is 60.75 kg x 9.8 N/kg 595 newtons your prof is wrong.

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