Two cannon (at different height) aim at each other.
What will happen if both cannon fire at the same
Want to know the answer? Just press the
You can change the position of cannons
You can change the initial velocity of cannonball
click the red arrow and drag it left/right or up/down.
The length of the red arrow is represent the displacement of cannonball
in one second (under no gravity)
Left cannonĦGclick at the blue dot and drag it up and down.
right cannon: click at lower right corner and drag it left and right
Both of them will adjust angle to aim at each other.
ĦHĦHĦH As long as the velocity is large enough
the cannonball will hit each otherĦIĦIĦI
Click the right mouse button to continue.
If the difference in height is h, horizontal distance
What is the requirement for the velocity v1,v2ĦH
Want to know the reasonĦH Select show
to show the trajectory of both cannonball when
there is no gravity,
How to pause the animation
and the effect of the gravity to the cannonball(yellow
Question: "How to shot a projectile in motion?"
Press the left mouse button to pause, release it
If you click the right mouse button, you need to
click it again to continue.
What if you click right mouse button, then press
the left mouse button?
Try it! You will know the answer.
related projectile motion java applet
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Last modified dateĦG