Mass of a body is increased by 49 times- What should be done to the velocity to maintain the same KE-A- Increased to 7 times the original valueB- Reduced to 1 - 7th the original valueC- Reduced to 1 - 49th the original valueD- Increased to 49 times the original value

The correct option is B Reduced to 1/7th the original value ...

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Standard X

Physics

Newton's Second Law

Mass of a bod...

Question

Mass of a body is increased by 49 times. What should be done to the velocity to maintain the same KE.

Reduced to 1/7^th the original value

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Increased to 7 times the original value

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Reduced to 1/49^th the original value

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Increased to 49 times the original value

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Solution

The correct option is A
Reduced to 1/7^th the original value

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Mass of a body is increased by 49 times. What should be done to the velocity to maintain the same KE.

The correct option is A Reduced to 1/7th the original value

The correct option is A
Reduced to 1/7^th the original value