If the Hulk throws a boulder from a cliff with a speed of 12 m/s, how long does it take to land 60 m away?

Which two objects have the greatest gravitational force acting between them

An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?

Gather reliable information to brent make his decision. to gather this information, use newspapers, call insurance companies or look at their web sites, and review consumer magazines and web sites. also, look at the manufacturer web site or for information about gas mileage. list the sources you use and take notes.