Posted by **kay** on Tuesday, January 21, 2014 at 10:47am.

Airplane at 19,200 feet descending at a rate of 40 feet per second. Another airplane takes off and ascends at a rate of 60 feet per second. After how many seconds will the airplanes be at the same height? What is this height?

## Answer this Question

## Related Questions

- math - Below is the rule for calculating the velocity of a falling object. Use ...
- Math - A model airplane is shot up from a platform 1 foot above the ground with ...
- Pre Calculus - If you are riding on a Ferris wheel that is 60 feet tall and it ...
- College Math - The posted speed limit on many U.S. highways is 65 miles per hour...
- Calculus - A ladder 15 feet long is leaning against a building so that end X is ...
- Math - Three minutes after take-off, and airplane is 5,000 feet in the air. If ...
- calculus - A hollow cone has height 5 feet and base diameter 4 feet. The vertex...
- Physic Check - These are questions I'm unsure about out of 20 for my submission...
- calculus - At t=0 , a particle starts at the origin with a velocity of 6 feet ...
- algebra 2 - Pete and Kathy are standing at home on a softball field. Pete starts...

More Related Questions