Two clouds collide and form another, more massive cloud. One cloud is stationary, while the other is traveling at 1 m/s. After the collision, the new, combined cloud travels with a velocity of 0.25 m/s. What is the ratio of the masses of the two original clouds

3

Explanation:

Given

One cloud is traveling at rate of

combined velocity of the two is

Suppose the masses of the clouds be

Conserving momentum

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