Question

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A balloon having mass'm'is filled with gas and is
held in hands of a boy. Then suddenly it get released
and gas starts coming out of it with a constant
rate. The velocities of the ejected gases 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) en 2
(B) 2 en 4
(C)2 en 2
(D) none of these​

Answer 1

Answer:

A balloon having mass'm'is filled with gas and is

held in hands of a boy. Then suddenly it get released

and gas starts coming out of it with a constant

rate. The velocities of the ejected gases 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) en 2

(B) 2 en 4✔

(C)2 en 2

(D) none of these