SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

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 :-

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
5876 Votes
3537

Answer Key : (c) -

(c)

Neglecting gravity

 ejection velocity w.r.t. balloon

 initial mass

 mass at any time



Next Question :

A uniform circular disc of radius  is placed on a rough horizontal surface and given a linear velocity  and angular velocity  as shown. The disc comes to rest moving some distance to the right. It follows that

a)

b)

c)

d)


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