Find the Speed of Blocks A & B After Moving 2.70cm

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SUMMARY

The discussion focuses on calculating the speed of two blocks, A and B, after they have moved 2.70 cm. Block A, with a mass of 2.20 kg, is on a tabletop, while block B, with a mass of 2.27 kg, hangs from a frictionless pulley. The coefficient of kinetic friction between block A and the tabletop is 0.344. Participants emphasize the importance of applying Newton's laws and energy methods to solve for the velocity of the blocks, clarifying that velocity is a fundamental concept in various physics problems, not limited to circular motion.

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As shown in the figure , block A (mass 2.20kg ) rests on a tabletop. It is connected by a horizontal cord passing over a light, frictionless pulley to a hanging block B (mass 2.27kg ). The coefficient of kinetic friction between block A and the tabletop is 0.344.

problem.jpg


After the blocks are released from rest, find the speed of each block after moving 2.70cm
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Asking for V.

And I am so confused since we only only use V in circular motion, So I don't even know how to set it up
 
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Are you familiar with energy methods, Newton's laws, and / or the kinematic equations?? The velocity or speed is used quite often in Physics problems, so surely you must have seen it other than in circ motion problems, is that right??
 

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