Hot air is blown into a balloon of mass 300 kg for it to descend at a constant acceleration of 3.0 ms^-2. What is the lift force exerted by the hot air on the balloon?
a) 0N
b) 900N
c) 2040N
d) 3840N
a) 0N
b) 900N
c) 2040N
d) 3840N
1 Answer
Jun 12, 2017
This is a nice way to ask the question, but this is just a Newton's Second Law question:
