A knife of mass m is at a height x from a large wooden block. The knife is allowed to fall free....

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A knife of mass m is at a height x from a large wooden block. The knife is allowed to fall freely, strikes the block and comes to rest after penetrating distance y. The work done by the wooden block to stop the knife is 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live




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