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Answer to Question #59235 in Mechanics | Relativity for muhammad umar

Question #59235
a 10-g bullet of unknown speed is shot horizontally into a 2-kg block of wood suspended from the ceiling by a cord the bullet hits the block and becomes lodged in it.After the collision,the block and the bullet swing to aheight 30cm above the original position.What was the speed of the bullet? (this device is called the ballistic pendulum)take g=9.8ms
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