What is the force applied on a body, when 200 joule of work is done in displacing the
body through a distance of 20 m in the direction of the force?
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As shown in the figure, the cross represents the electrons of methane whereas dots represent the electrons of hydrogen. Carbon shares total 4 electrons, 1 with each hydrogen and all 4 hydrogen share their 1 electron each with carbon. Hence, covalent bonding is present in the methane molecule.
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