Algodoo

BM-21 Grad Projectile Motion

how to use!
(Up-Down) Adjust the angle of the rocket up/down.
(Left-Right) Move the car to the left/right side.
(Numbers 1,2,3,4) Rocket 1,2,3,4

Aiming method!
Look at the distance, find the point where you want to drop the rocket and look at the purple number Angle, then adjust up / down according to the calculated angle and shoot the rocket 1,2,3,4 as you want.

Have fun!