This java applet let you play with projectile motion.
There are two case you can play with :
What is the meaning of the green ellipse trace? I will let you find out by yourself.
Press the Start button, all the projectiles will spread out.
At any instance, the trajectory of all the projectiles is an arc of a circle.
Click the mouse button to suspend the animation, click it again to resume.
Press Reset button for default values.( now you can change the speed by mouse)
What will happen with different initial speed?
The vertical distance between the above curve is the free
fall distance at that moment.
The blue circle is the range when it is fired from the ground level.
Press Start to shoot the object(yellow) according to the initial conditions. At the same time,
displacement of green circle
displacement of yellow circle
Your suggestions are highly appreciated! Please click firstname.lastname@example.org
Author¡GFu-Kwun Hwang, Dept. of physics, National Taiwan Normal University
Last modified : More physics related java applets