If a 4 kg object is moving with a velocity of 2 m/s and collides elastically wit

Practice Questions

Q1
If a 4 kg object is moving with a velocity of 2 m/s and collides elastically with a stationary object of mass 4 kg, what is the final velocity of the first object?
  1. 0 m/s
  2. 1 m/s
  3. 2 m/s
  4. 4 m/s

Questions & Step-by-Step Solutions

If a 4 kg object is moving with a velocity of 2 m/s and collides elastically with a stationary object of mass 4 kg, what is the final velocity of the first object?
  • Conservation of Momentum – In an elastic collision, the total momentum before and after the collision is conserved.
  • Elastic Collision – In an elastic collision, both momentum and kinetic energy are conserved.
  • Velocity Exchange – In a special case of elastic collisions where two objects have equal mass, they can exchange velocities.
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