Physics, 20.08.2021 21:50 rorymartin04
Metallic bonds are responsible for many properties of metals, such as conductivity. Why is this possible? (1 point)
Metals have low electronegativity, so they are conductive because they pass charges easily.
An attraction between a positive charge and a negative charge is created.
O The bonds can shift because valence electrons are held loosely and move freely.
OTwo metals bonded together are going to be more conductive than a metal bonded with a nonmetal.
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In a closed system, the total energy prior to an energy transformation is the total energy after. a. equal to b. unrelated to c. greater than d. less than
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Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 10.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.90 m/s; (b) he is then lifted at the constant speed of 4.90 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 68.0 kg rescue by the force lifting him during each stage?
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