Boat Lab
A demonstration of relative motion
involving moving water and boats
Uh-oh... we ran out of river!
This is what you get for setting a ridiculously large angle to the boat. You can wait it out: the calculation will eventually finish, but you're probably better off refreshing the page.
- Boat speed
- River speed
- River width
Note: Target/boat may go off-screen; to specify upstream angles, use negative values