In a well water is filled up to the height 6m . calculate the pressure given by the water at the bottom of the well

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

What component of earth’s atmosphere exists entirely as a result of photosynthesis?