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Problem 10.77 Problem 10.77 Part A What is the mass of the copper if the top of

ID: 1298114 • Letter: P

Question

Problem 10.77 Problem 10.77 Part A What is the mass of the copper if the top of the wood block is exactly at the water's surface? Express your answer using two significant figures. mCu =   kg   SubmitMy AnswersGive Up Part A What is the mass of the copper if the top of the wood block is exactly at the water's surface? Express your answer using two significant figures. mCu =   kg   SubmitMy AnswersGive Up Part A What is the mass of the copper if the top of the wood block is exactly at the water's surface? Express your answer using two significant figures. mCu =   kg   SubmitMy AnswersGive Up mCu =   kg   mCu =   kg   SubmitMy AnswersGive Up Part A What is the mass of the copper if the top of the wood block is exactly at the water's surface? Express your answer using two significant figures. mCu = Problem 10.77 A copper (Cu ) weight is placed on top of a 0.43 kg block of wood (density = 630 kg/m^3 ) floating in water, as shown in the figure Part A What is the mass of the copper if the top of the wood block is exactly at the water's surface? Express your answer using two significant figures. mCu =

Explanation / Answer

buoyancy force =


Fb = dwater*Vwood*g


Fg = (mwood+mcu)*g = (dwood*Vwood + mcu)*g


Fb = Fg


dwater*Vwood*g = (dwood*Vwood + mcu)*g


(1000*0.43*9.8) = ((630*0.43)+mcu)*9.8


mcu = 159.1 kg

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