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  • 24-03-2020
  • Physics
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A comet approaches the sun increasing its velocity by a factor of four while losing half of its mass. How does the momentum of the comet compare between the two points

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opudodennis
opudodennis opudodennis
  • 30-03-2020

Answer:

Final momentum is double the initial momentum

Explanation:

Momentum, p is given by, p=mv where m is mass and v is velocity of an object. From law of conservation of linear momentum, the sum of initial and final momentum are equal. In this case, let initial mass be m and final mass will be 0.5 m since it losses half its mass. Also, let initial velocity be v and final velocity will be 4v

Initial momentum= mv

Final momentum= 0.5m*4v=2mv

The final momentum is twice the initial momentum.

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