Alazy physics student is made to walk the plank. the plank is 8m above the water. if the plank is pulled out from under the student and he falls straight down, how long will it take him to hit the water?

Blank liquids and gases exert a buoyant force on objects placed in them

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?

Patricia is trying to compare the average rainfall of new york to that of arizona. a comparison between these two states for the months of july through september would best be measured in