A 9,100-microfarad [muF] capacitor is charged to 22 volts [V]. If the capacitor is completely discharged through an iron rod 0.2 meters [m] long and one-quarter centimeter [cm] in diameter, resulting in 80% of the stored energy being transferred to the rod as heat, how much does the temperature of the rod increase? Give your answer in kelvin [K].
Data you may need:
Specific Gravity of iron: SG = 7.874
Specific heat of iron: CP = 0.450 J/(g K)

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.

Ateacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and ph indicator strips, which measure acidity. the teacher asks the students to put the liquids in order from most acidic to most basic. what type of investigation could the students conduct to determine the correct order for the liquids?