What is the tangential velocity of a 700 kg car moving in a 35 m circle with an acceleration of 6.2 m/s^2? 

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 the new moon happens on january 15th, what shape will it be on february 6th?

If element x has 99 protons how many electrons does it have