4.3 Momentum · Set two masses and signed velocities, predict the direction of the result, then use conservation of momentum for coalescing particles or one known velocity.
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About this lab
Set two masses and signed velocities, predict the direction of the result, then use conservation of momentum for coalescing particles or one known velocity.
You will be able to
Calculate the linear momentum mv of each particle, with its sign as its direction, and the total momentum before the impact.
Determine the common velocity of two particles that coalesce, using m₁u₁ + m₂u₂ = (m₁ + m₂)V.
Calculate the unknown final velocity of one particle, with its direction, when the other final velocity is given.
Explain why momentum is conserved in a direct impact while kinetic energy is not conserved when the particles coalesce.
