A cylinder is submerged in water as illustrated in the diagram. At which two positions is the pressure the same? 1- A and B
2- B and C
3- A and D
4- B and D

Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)

Apropagating wave in space with electric and magnetic components. these components oscillate at right angles to each other. it may travel in a vacuum. determine the term.

What is the frequency if a wave that pases a given pount 22 times in 2 seconds