Physics, 22.04.2021 21:20 charlie3051
Specific latent heat of fusion for a material is 45 kJ/kg. Calculate the energy required to change 5 kg of the material from solid to liquid.
Answers: 2
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The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water
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Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?
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Specific latent heat of fusion for a material is 45 kJ/kg.
Calculate the energy required to change...
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