Write the difference between Rotational K. E and linear K. E​

Asample of a gaseous substance changes into a liquid

What is the most useful equation for electric power?

Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?