A 0.105- kg hockey puck moving at 24 m/s is caught and held by a 75-kg goalie at rest. With what speed does the goalie slide on the ice after catching the puck? Define the puck and the goalie as a system.

please show work, help

Respuesta :

Answer:

0.03 m/s

Explanation:

Applying law of conservation of momentum,

  • m₁v₁ + m₂v₂ = (m₁ + m₂)v
  • 0.105(24) + 75(0) = (0.105 + 75)v
  • 75.105v = 2.52
  • v = 2.52/75.105
  • v = 0.03 m/s