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A ballistic pendulum is a device that was used to measure the speeds of bullets before the development of electronic tiring, devices. The device consists of a large block of wood of mass M, hanging from two long cords. A bullet of mass m is fired into the block. the bullet comes quickly into rest and the block + bullet rises to a vertical distance h before the pendulum comes momentarily to rest as the ends of the arc. ltbr. In the process. the linear momentum is conserved. In such a collision. some kinetic energy is dissipated as heat: so mechanical energy is not conserved. When there is a loss in mechanical energy, the collision is said to be inelastic. Further when two bodies coalesce, the collision is said to be perfectly inelastic. The collision of block-bullet system is

Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/perfectly-7309466" style="font-weight:bold;" target="_blank" title="Click to know more about PERFECTLY">PERFECTLY</a> elastic<br/>partially <a href="https://interviewquestions.tuteehub.com/tag/inelastic-7382420" style="font-weight:bold;" target="_blank" title="Click to know more about INELASTIC">INELASTIC</a><br/>partially elastic<br/>perfectly inelastic</p>Solution :As bullet and <a href="https://interviewquestions.tuteehub.com/tag/block-18865" style="font-weight:bold;" target="_blank" title="Click to know more about BLOCK">BLOCK</a> <a href="https://interviewquestions.tuteehub.com/tag/coalesce-421413" style="font-weight:bold;" target="_blank" title="Click to know more about COALESCE">COALESCE</a> after collision <a href="https://interviewquestions.tuteehub.com/tag/hence-484344" style="font-weight:bold;" target="_blank" title="Click to know more about HENCE">HENCE</a> collisio is perfectly inelastic.</body></html>


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