Answer:
The initial momentum of the system is 2.6 kg·m/s to the nearest tenth
Explanation:
The given information are;
The mass of the first hockey puck, m₁ = 0.17 kg
The speed of the first hockey puck, v₁ = 15 m/s
The final speed of the first hockey puck, v₃ = 0 m/s (The first hockey puck comes to rest)
The mass of the second hockey puck, m₂ = 0.11 kg
The initial speed of the second hockey puck, v₂
Whereby the second hockey puck was initially at rest, we have v₂ = 0;
The initial momentum of the system = m₁v₁ + m₂v₂ = 0.17 × 15 + 0.11 × 0 = 2.55 kg·m/s
∴ The initial momentum of the system = 2.6 kg·m/s to the nearest tenth.
