Can you catch the cyclone as it moves around the screen? Drive the car by changing the magnitude and direction of the blue velocity vector—but be careful not to hit the walls!
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The magnitude and direction of the vector can be changed by (1) using the mouse to drag either end of the arrow or (2) adjusting the sliders for magnitude and direction below the screen. Click and drag the middle point of the arrow to relocate the vector elsewhere on the screen.
The Start/Stop Car button puts the car in motion and stops it. The Reset Car button returns the car to its original location.
Show Cyclone makes the cyclone visible. Show Graph places the velocity vector on a grid, and Sound On turns the sound on.
For more information about an investigation that uses this applet, see the associated Components of a Vector E‑Example.
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