if the volume of a fixed mass of hydrogen in a container is 30cm³ at a pressure of 50mmHg find the volume of the gas if the pres
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<h2>The man have to apply force of 160 N</h2>
Explanation:
The work done to lift the bag of weight mg through height 2.5 m is 400 J
The work done can be found by relation W = mg x h
Thus mg = =
= 160 N
Therefore the man have to apply the force of 160 N