Why two planes can't collide in the air ? | facts therapy |

A jet plane flies in the air because

When two free radicals collide

When two bodies collide elastic, then:

Two projectiles are projected simultaneously from two towers as shwon in figure. If the projectiles collide in the air, then find the distance "s" between the towers.

Passage VI Two particles collide when they are at same position at same time. The two particles are at minimum distance after time t=…………..s.

When two bodies collide elastically, then

Why don't two magnetic field lines intersect each other?

Two balls are projected from points A and B in vertical plane as shown in figure. AB is a straight vertical line. The balls can collide in mid air if v_1//v_2 is equal to