Question

(c) Name any two substances that are highly malleable,
Q.15. State and proof the conservation of linear momentum.
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Answer 1

Answer:

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Answer 2

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1. GOLD AND COPPER
2. Linear momentum is mathematically expressed as:p→ = mv→ p→ is the linear momentum.
3. v→ is the linear velocity.
4. m is the mass of the body.
5. The law of conservation of momentum can be explained from the second law of motion. Newton’s second law of motion says that the rate of change of linear momentum of a body is equal to the net external force applied to it.
7. Mathematically it is expressed as:
9. dPdt=(mv)dt=mdvdt=ma=Fnet
10. If the net external force acting on a body is zero, then the rate of change of momentum is also zero, which means that there is no change in momentum.