12. Find the mass of a peach where gravitational potential energy store 1.2 if it is hanging on a tree 90cm above the Earth's surface. Assume g =
9.8N/kg.
olm

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point

Farmer a has a deep well and needs a lot of water for her animals and crops. her neighbor, farmer b, has a shallower well. he needs less water than farmer a because his farm is smaller. in years of drought, sometimes farmer b can't get any water from his wells. what can farmer b do to decrease the likelihood of his well running dry?