If 120 n of force is applied to a crate to move it 15 m, how much work is done? 1,000 j 1,800 j 2,000 j 2,500 j

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?

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

The mantle is made up of which structural zones?