How do climate differences affect the movement at the mariana trench

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

Which accounts for an increase in the temperature of a gas that is kept a constant volume

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.