Question

Explain law of conservation of momentum with the help of an activity to show
collision of two balls that “Total momentum of the two balls remains
unchanged or conserved when no other external force acts on them.”

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Answer 1

Answer:

Breathing starts when you inhale air into your nose or mouth. It travels down the back of your throat and into your windpipe, which is divided into air passages called bronchial tubes.

For your lungs to perform their best, these airways need to be open. They should be free from inflammation or swelling and extra mucus.

Answer 2

Answer:

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Explanation:

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