Physics
Grade-8
Easy
Question
What is the momentum of car before collision?
- 2,00,000
- 20,000
- 2000
- 200
Hint:
momentum=mass *velocity
The correct answer is: 20,000
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The following example follows law of conservation of momentum. Is the statement true or false?
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What is missing in this statement?
The sum of momenta of the two objects before collision is equal to the sum of momenta after the collision
What is missing in this statement?
The sum of momenta of the two objects before collision is equal to the sum of momenta after the collision
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Mathematically state law of conservation of momentum.
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Mathematically represent, “The sum of momenta of the two objects before collision is equal to the sum of momenta after the collision, provided there is no external unbalanced force acting on them.”
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“The sum of momenta of the two objects before collision is equal to the sum of momenta after the collision provided there is no external unbalanced force acting on them.” This statement belongs to:
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