A water tank holds water to the depth of the 80cm what is the pressure of the water of the tank​

Identical marbles are released from the same height on each of the following four frictionless ramps . compare the speed of the marbles at the end of each ramp. explain your reasoning

If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?