In an experiment in which molten naphthalene is allowed to cool, the cooling curve shown below was obtained, the temperature 80∘
C is known as
A. cooling temperature
B. boiling point
C. melting point
D. vaporization point
1 answer:
Answer:
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Explanation:
In an experiment in which molten naphthalene is allowed to cool, the cooling cur...
Question
In an experiment in which molten naphthalene is allowed to cool, the cooling curve in fig 5 was obtained, the temperature
80
∘
<h2>C.</h2>
is known as
Options
A) cooling temperature
B) boiling point
C) melting point √√√√√√√√√√※※※ ↑↑ANSWER
D) vaporization point
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Height of baby carriage from ground = 21m
Mass of carriage with baby = 1.5 kg
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Potential energy = mgh = 1.5×10×21 = 315 J
Hence, potential energy of the carriage is 315 Joule.