The main different between elastic and inelastic collisions is that only in elas
ID: 1418710 • Letter: T
Question
The main different between elastic and inelastic collisions is that only in elastic collisions is kinetic energy conserved total energy conserved momentum conserved mass-energy conserved A uniquely constructed experimental baseball approaches home plate at 32 m/s [N]. It is struck by a bat and rebounds at 32 m/s [s]. This collision may he elastic or Inelastic. There is insufficient data to say for sure, is elastic because the ball rebounds and doesn't stick to the bat. is inelastic because of friction between the bat and the ball, Is elastic because the incoming speed equals the outgoing speed. When objects collide and bounce apart in a two-dimensional elastic collision, which of the following statements is not true? Kinetic energy is conserved in both the x-direction and the y-direction. Total kinetic energy before the collision equals total kinetic energy after the collision. Total momentum before the collision equals total momentum after the collision, Momentum Is conserved in both the x-direction and the y-direction. 1.6 kg colt automatic pistol fires a 15 g bullet into a 2.5 kg wooden block suspended from the ceiling as a ballistic pendulum. The bullet becomes imbedded in the block 6.9 Times 10^-4 s after first contact. The bullet and Mock swing east and rise to a height of 9.8 cm above the rest position. Based on the information in the above narrative, what was the momentum of the bullet? 3.5 kg middot m/s [E] 2.5 kg middot m/s [E] 2.5 kg middot m/s [E] 4.8 kg middot m/s [E]Explanation / Answer
1) C
2) B
3)B
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