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Statement of a problem № 3161

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The ballistic pendulum is a device for measuring the velocity v of a bullet of mass m. It consists of a large wooden block of mass M which is sup- ported by two vertical cords. When the bullet is fired at the block, it is dislodged and the block is set in motion reaching maximum height h. Show that v = (1 + M/m)sqrt(2gh)

Solution:
The ballistic pendulum is a device for measuring the velocity v of a bullet of m

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