Question

A balloon of total mass 180 kg just floats motionless in the earth's atmosphere. If 60 kg of load in it is
thrown out, with what acceleration will the balloon start to rise?
(a)0
(b) 2 m/s2
(c) 5 m/s2
(d) 10 m/s2​

Answer 1

(a) there are many factors first one balloon is filled with gas like helium or gas burner operated balloon