Posted by **Ana** on Monday, October 10, 2011 at 5:35pm.

A hot air balloon is traveling vertically upward at a constant speed of 3.9 m/s. When it is 20 m above the ground, a package is released from the balloon. After it is released, for how long is the package in the air? The acceleration of gravity is 9.8 m/s

## Answer This Question

## Related Questions

- physics - A hot air balloon is traveling vertically upward at a constant speed ...
- physics - A hot air balloon is traveling vertically upward at a constant speed ...
- physics - A hot air balloon is traveling vertically upward at a constant speed ...
- physics - A hot air balloon is traveling vertically upward at a constant speed ...
- physics - A hot air balloon is going up ward at a constant speed of 3.5 m/s. ...
- Physics - A hot-air balloon is rising upwards at a constant velocity of 5m.s . ...
- physical science - A hot air balloon is rising upwards at a constant velocity of...
- Physics - A hot-air balloon is rising vertically at a speed of 10 m s–1. An ...
- Physics - 1 A hot-air balloon is rising upwards at a constant velocity of 5m.s ...
- physics - During liftoff, a hot-air balloon accelerates upward at a rate of 2.5...

More Related Questions