Average Force on Balloon (Jee Mains) | ExamDuo
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Newton's laws of motion
Medium
Average Force on Balloon
A balloon has mass of
10
g
in air. The air escapes from the balloon at a uniform rate with velocity
4.5
cm
∕
s
. If the balloon shrinks in
5
s
completely. Then, the average force acting on that balloon will be (in dyne).
SELECT ONE OPTION
A
3
B
9
C
12
D
18
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