Limited access

Upgrade to access all content for this subject

The velocity-time graphs below represent the motion of two remote control helicopters moving through the air along a north and south line at slightly different altitudes, so that they do not collide.

The purple graph represents the motion of a purple helicopter, and the yellow graph represents the motion of a yellow helicopter.

At what time are the helicopters at the same (north-south) position, assuming they started at the same position at "zero" time?


At 5 seconds.


At 15 seconds.


At 25 seconds.


At 30 seconds.


The purple helicopter and the yellow helicopter are never at the same north-south position after "zero" time.

Select an assignment template