Glancing Collision with 2 Equal Masses

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SUMMARY

The discussion centers on a physics problem involving a glancing collision between two equal mass objects, each with a mass of 1.00 kg. The first object is projected at 20.0 m/s, while the second moves at -10.0 m/s. After the collision, the first object moves at an angle of 2.00˚ above the positive x-direction, and the second object moves at an angle of 5.00˚ below the negative x-direction. Key calculations include determining the speeds of both objects post-collision, the change in kinetic energy, and whether the collision is elastic or inelastic.

PREREQUISITES
  • Understanding of momentum conservation principles
  • Familiarity with kinetic energy calculations
  • Knowledge of vector components and angles in physics
  • Basic grasp of elastic vs. inelastic collisions
NEXT STEPS
  • Calculate the final velocities of both objects using conservation of momentum
  • Determine the change in kinetic energy before and after the collision
  • Explore the criteria for classifying collisions as elastic or inelastic
  • Review vector decomposition techniques for analyzing motion in two dimensions
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This discussion is beneficial for physics students, educators, and anyone interested in understanding collision dynamics and energy conservation in mechanics.

tmastrud
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Hey, I'm stuck on this problem. If someone could point me in the right direction, it'd be greatly appreciated.

: Two objects of the same mass, m = 1.00 kg, are projected towards each other. The first object initially has velocity (20.0m/s)i^. The second object has initial velocity (-10.0m/s)i^ .After the glancing collision, the first object goes off with angle 2.00˚ above the positive x-direction and the second object goes off with angle 5.00˚ below the negative x-direction.

a. What is the speed of object 1 after the collision?
b. What is the speed of object 2 after the collision?
c. What is the change in kinetic energy in the collision?
d. Is this collision elastic or inelastic? Explain.
 
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Welcome to PF!

This appears to be a homework or homework-type question and should be posted in the homework subforum. Doing so will ensure you get the appropriate help from our outstanding staff of homework helpers. (instead of wikipedia surfing armchair scientists like myself)

Thanks!
 

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