Question
Two Balls and a Thin Rod Two balls of mass 3.29 kg are attached to the...
Two Balls and a Thin Rod
Two balls of mass 3.29 kg are attached to the ends of a
thin rod of negligible mass and length 72 cm. The rod is
free to rotate without friction about a horizontal axis through its
center. A putty wad of mass 127 g drops onto one of the
balls, with a speed 2.5 m/s, and sticks to it.
What is the angular speed of the system just after the putty wad
hits?
1.31×10-1 rad/s
| ¡Correcto! Su recibo es 160-8476 |
Intentos Anteriores |
What is the ratio of the kinetic energy of the entire system after the collision to that of the putty wad before the collision (in percent)?
| 1.88 is incorrect |
| Incorrecto. | Tries 18/40 | Intentos Anteriores |
Homework Answers
Answer #1
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¡Correcto!
Su recibo es 160-2745
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