Angle of attack

gigglin_horse

1. The problem statement, all variables and given/known data

"When a jet plane is cruising at high altitude, the flight attendants have more of a hill to climb as they walk forward along the aisle when the plane is cruising at low altitude. Why does the pilot have to fly with a great angle of attack at high altitude than at low altitude?"

2. Relevant equations



3. The attempt at a solution

Something to do with pressure?

davieddy

Density