This is specific latent heat of fusion.
This is the heat needed to turn 1 kg of solid into a liquid at its melting point. When a substance changes its state from solid to liquid form or from liquid to gas , heat energy is needed. This energy is used not to heat the substance but to separate the molecules from each other.
This energy is called latent heat energy. While a liquid is boiling and while a solid is melting, there is no temperature change. The temperature only changes when the change of state is complete.
Answer:
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Explanation:
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Answer:
The acceleration is
Explanation:
From the question we are told that
The mass of the engine is
The mass of each Boxcar is
The tension between the locomotive and boxcar A is
Generally the tension between the locomotive and boxcar A is equivalent to the net force propelling the box cars so the tension is mathematically represented as
Here M is the mass of the three box cars
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