A man weighing 48 newtons climbs a 2.0-meter ladder. How much work is done? 0.0 J 24 J 96 J 124 J
2 answers:
<u>Answer:</u> Work done by the man will be 96 J.
<u>Explanation:</u>
Work is defined as the amount of energy that is transferred in order to move an object by an external force. It is expressed in joules.
Mathematically,
Where,
W = Work done = ? J
F = Force applied = 48 N
d = Displacement of the body = 2 m
Putting values in above equation, we get:
Hence, work done by the man will be 96 J.
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The lowest value of the henry's law for methane gas (CH₄) will be obtained with H₂O as the solvent and a temperature of 349 K.
The lowest value of the henry's law for methane gas (CH₄) will be obtained with H₂O as the solvent and a temperature of 349 K.
Henry's law: This law states that at a constant temperature, the amount of a gas dissolved in a given type and volume of liquid is directly proportional to the partial pressure of that gas that in equilibrium with that liquid.
Mathematically it can be written as:
So, for the methane gas , lowest value of the henry's law obtained at 349 K and with H₂O as the solvent.