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An open knife of mass m is dropped from a height h on a wooden

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An open knife of mass m is dropped from a height h on a wooden floor. If the blade penetrates up to the depth d into the wood. The average resistance offered by the wood to the knife edge is to the depth d into the wood, the average resistance offered by the wood to the knife edge is .

m g (1 + \frac{h}{d})

m g (1 + \frac{h}{d})^{2}

m g (1 - \frac{h}{d})

m g (1 \frac{+}{h})

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An open knife of mass m is dropped from a height h on a wooden floor. If the blade penetrates up to the depth d into the wood. The average resistance offered by the wood to the knife edge is to the depth d into the wood, the average resistance offered by the wood to the knife edge is .

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Question Text	An open knife of mass m is dropped from a height h on a wooden floor. If the blade penetrates up to the depth d into the wood. The average resistance offered by the wood to the knife edge is to the depth d into the wood, the average resistance offered by the wood to the knife edge is .
Answer Type	Video solution: 1
Upvotes	155