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6. the graph shows the temperature dependence of resistance for two materials. how do the materials compare?

a. material a is a typical conductor, whereas material b is a typical insulator.

b. material a is a superconductor, whereas material b is a typical metal.

c. material a is a typical metal, whereas material b is a superconductor.

d. material a is a typical insulator, whereas material b is a typical conductor.

specific latent heat of fusion, lf, of a substance is defined as the amount of heat required to change a unit mass of the substance from solid to liquid state, without any change in the temperature.

explanation:

double the distance = divide strength by 4

the design of a ski jumping suit involves a trade-off between giving the skiers lift to get higher jumps and ensuring the skier does not face a lot of drag before the jump itself. an expansive suit may to lift the skier higher, but at the same time, it will also increase the air resistance. higher air resistance as the skier goes down the slope limits the speed of the jump. a big suit also increases the risk of losing balance or control, especially if there's a strong gust of wind. while technologically enhanced suits a lot, clothing is not the only factor in a ski jumper’s success. gathering speed while skiing down the slope, ensuring good speed on the ramp, and maintaining good body posture and form in the air all contribute to a ski jumper's success.