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A balloon having mass  is filled with gas and is held in hands of a boy. Then suddenly it gets released and gas starts coming out of it with a constant rate. The velocity of the ejected gas is also constant (2 m/s) with respect to the balloon. Find out the velocity of the balloon when the mass of gas is reduced to half

a)

b)

c)

d)

None of these



Question ID - 100185 | SaraNextGen Top Answer

A balloon having mass  is filled with gas and is held in hands of a boy. Then suddenly it gets released and gas starts coming out of it with a constant rate. The velocity of the ejected gas is also constant (2 m/s) with respect to the balloon. Find out the velocity of the balloon when the mass of gas is reduced to half

a)

b)

c)

d)

None of these

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

Neglecting gravity

 ejection velocity w.r.t. balloon

 initial mass

 mass at any time

127 votes


127