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A 2 g bullet hits and becomes embedded in a 5 kg wood block hanging from a 1.40 m long string causes the block to swing through an arc of 4.50 What was the speed of the bullet before hitting the block?
Wiki User
∙ 15y ago
Apply conservation of energy. When the block is at one extreme, the kinetic energy is equivalent to 0, while potential energy is available. Assuming no loss of energy (through noise and heat), the potential energy should be equal to the kinetic energy of the bullet before collision. Apply conservation of energy. When the block is at one extreme, the kinetic energy is equivalent to 0, while potential energy is available. Assuming no loss of energy (through noise and heat), the potential energy should be equal to the kinetic energy of the bullet before collision.
Wiki User
∙ 15y ago
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