What are the trajectories of movement: a) a stone falling without an initial speed relative to the ground;

What are the trajectories of movement: a) a stone falling without an initial speed relative to the ground; b) the Moon relative to the Earth; c) an airplane flying from Vladivostok to Moscow, relative to the Earth?

a) straight line; b) along the ellipse; c) straight line.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.