Hot Air Balloon Lift Capacity · CAP 2025 #12

Physics · thermodynamics

Problem

One day when the temperature is 20°C and pressure is close to the standard pressure, a hot air balloon with the air heated to 70°C and volume of 1000 m³ can lift about (including its own weight): A. 1200 kg B. 1020 kg C. 170 kg D. 340 kg E. 860 kg

Related theory

Browse the problem library