Hinge 18.0 kg. 0.005 00 kg Figure P11.30 An over- head view of a bullet striking a door.
A 0.005 00-kg bullet traveling horizontally with a speed of 1.00 3 103 m/s strikes an 18.0-kg door, embedding itself 10.0 cm from the side opposite the hinges as shown in Figure P11.30. The 1.00-m wide door is free to swing on its frictionless hinges. (a) Before it hits the door, does the bullet
have angular momentum relative to the door’s axis of rotation? (b) If so, evaluate this angular momentum. If not, explain why there is no angular momentum. (c) Is the
before the collision. (f) What If? Imagine now that the door is hanging vertically downward, hinged at the top, so that as shown is a side view of the door and bullet during the collision. What is the maximum height that the bottom of the door will reach after the collision?
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