this specific hydraulic jack has 90 psi. How many pounds must be applied to the jack if his truck weighs 5 tons and the radius of the smaller piston is 0.11 sq. in.?

How much work would a child do while puling a 12-kg wagon a distance of 3m with a 22 n force directed 30 degrees with respect to the horizontal? (a) 82j (b) 52j (c) 109j (d) 95j

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.