An angiogram uses X-rays and a special dye (contrast) to take pictures of the arteries in your brain, heart, and kidneys. The dye is injected into a small tube or catheter into an artery in your groin or (sometimes) your arm.
As the cloud collapses the force of gravity drawing the cloud inward gradually becomes stronger because the strength of gravity follows an inverse square law with distance. hoâ¦pe that helps.
The Coriolis force is required for a cyclone to form into a tropical cyclone or hurricane. The force causes a greater deflection of the air (right in the northern hemisphere and left in the southern) and the correct speeds for the tropical cyclone to form.