If you were making a tool used to handle live electrical wires, which class of materials would you most likely use?
asemimetals
bmetalloids
cnonmetals
d metals

The tools that should be used on handling live electrical wires and equipment are insulators. Basically. the answer would be letter C. Nonmetals since these kinds of elements have properties in which it has the ability to prohibit current to flow on the material therefore having very high resistivities.

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The answer is  the potential energy of the bob at position b is 1.47 joules.if the maximum height of the bob is 0.45 meters when it swings back,1.323   joules of energy was transformed to thermal energy.hope this