A 0.00565-kg bullet traveling horizontally with a speed of 1.00 x 10 m/s enters a 17.0-kg door, embedding itself 18.0 cm from the side opposite the hinges as in the figure below. The 1.00-m-wide door is free to swing on its hinges. Hinge (a) Before it hits the door, does the bullet have angular momentum relative to the door's axis of rotation? Yes O No (b) Is mechanical energy conserved in this collision? Answer without doing a calculation. Yes O No (c) At what angular speed does the door swing open immediately after the collision? (The door has the same moment of inertia as a rod with axis at one end.) rad/s (d) Calculate the energy of the door-bullet system. (Enter the kinetic energy of the door-bullet system just after collision.) Determine whether the energy of the door-bullet system is less than or equal to the kinetic energy of the bullet before the collision. O less than O equal
A 0.00565-kg bullet traveling horizontally with a speed of 1.00 x 10 m/s enters a 17.0-kg door, embedding itself 18.0 cm from the side opposite the hinges as in the figure below. The 1.00-m-wide door is free to swing on its hinges. Hinge (a) Before it hits the door, does the bullet have angular momentum relative to the door's axis of rotation? Yes O No (b) Is mechanical energy conserved in this collision? Answer without doing a calculation. Yes O No (c) At what angular speed does the door swing open immediately after the collision? (The door has the same moment of inertia as a rod with axis at one end.) rad/s (d) Calculate the energy of the door-bullet system. (Enter the kinetic energy of the door-bullet system just after collision.) Determine whether the energy of the door-bullet system is less than or equal to the kinetic energy of the bullet before the collision. O less than O equal
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Transcribed Image Text:A 0.00565-kg bullet traveling horizontally with a speed of 1.00 x 105 m/s enters a 17.0-kg door, embedding itself 18.0 cm from the side opposite the hinges as in the
figure below. The 1.00-m-wide door is free to swing on its hinges.
Hinge
Ⓡ
(a) Before it hits the door, does the bullet have angular momentum relative to the door's axis of rotation?
Ⓒ Yes
O No
(b) Is mechanical energy conserved in this collision? Answer without doing a calculation.
O Yes
O No
(c) At what angular speed does the door swing open immediately after the collision? (The door has the
rad/s
moment of inertia as a rod with axis at one end.)
(d) Calculate the energy of the door-bullet system. (Enter the kinetic energy of the door-bullet system just after collision.)
Determine whether the energy of the door-bullet system is less than or equal to the kinetic energy of the bullet before the collision.
O less than
O equal
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Step 1: Information given in the question
VIEWStep 2: Part A - Does the bullet have angular momentum relative to the door's axis of rotation
VIEWStep 3: Part B - Is mechanical energy conserved in this collision
VIEWStep 4: Part C - Angular speed with which the door swing open immediately after the collision
VIEWStep 5: Part D - Kinetic Energy of the bullet-door system
VIEWStep 6: kinetic energy of the bullet before collision
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