As children, we all loved ice creams, especially the ice-creams which came in the waffle cones. Waffle pastry is an example of a cone. Here we will study about the shape of cones and learn various equations related to cones.
We all are aware that gravity attracts the object towards Earth. If we throw the ball upwards, eventually it returns back to Earth. But we all know that artificial satellites are sent from the surface of earth towards the space. Are they not pushed by gravity towards the Earth? How do they reach the space? Here is where escape velocity comes in.