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- The density of copper is 8.900g/cm3 if a section of copper pipe displaces 285.0 ml of water when dropped whats the mass of he pipe?
- If 1600 watts of EM energy are directed onto a (40m) x (40m) square area, what is the intensity of the radiation?
- The value of specific heat for copper is 390 J/kg⋅C∘, for aluminun is 900 J/kg⋅C∘, and for water is 4186 J/kg⋅C∘?
- Rank from most to least energy: copper, gold,water, cast iron and aluminum?
- If ∆Q is the heat supplied to a gas so that the internal energy of the system increases by ∆U, then the work done ∆W by the gas is equal to:?