Muscular movement involving the walls of the digestive tract that serve to mix materials and move them along the track

What is the momentum of a 2 kg object moving at 15 meters per second

What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.

Which of the following statement is false ? a.batteries should never be stored on metal trays or outside in the elements)b, battery acid cannot be neutralized)c.do not stack batteries on top of each other)d.never put a damaged battery in a dumpster. i