) A 7.30-kg bowling ball strikes a 1.60-kg pin at rest head-on. Before the collision, the velocity of the ball is 6.00 m/s. After the collision, the velocity of the ball is 5.40 m/s. What is the velocity of the pin after the collision

Respuesta :

Answer:

the velocity of the pin after the collision is 2.7 m/s

Explanation:

The computation of the velocity of the pin after the collusion is as follows:

Given that

Mass of the ball = M = 7.3 kg

Mass of pin = m = 1.6 kg

The Velocity of the ball prior collision =  U = 6 m/ s

The Velocity of the pin prior collision=  u =0

The Velocity of the ball after collision = V = 5.4 m/s

Based on the above information

As we know that

Here the conservation law respect to the linear momentum is applied

mu+ MU = mv + MV

0 + 43.8 = 1.6 v + 39.42

 1.6 v = 4.38

v = 2.7 m/s

Hence, the velocity of the pin after the collision is 2.7 m/s

The final velocity of the pin after the collision is  2.7 m/s.

The given parameters:

  • Mass of the bowling ball, m1 = 7.3 kg
  • Mass of the pin, m2 = 1.6 kg
  • Initial velocity of the ball, u1 = 6 m/s
  • Final velocity of the ball, v1 = 5.4 m/s

The final velocity of the pin after the collision is determined by applying  the principle of conservation of linear momentum;

[tex]m_1 u_1 + m_2 u_2 = m_1 v_1 + m_2 v_2\\\\ 7.3(6) + 1.6(0) = 7.3(5.4) + 1.6(v_2)\\\\ 43.8 = 39.42 + 1.6v_2\\\\ 1.62v_2 = 4.38\\\\ v_2 = \frac{4.38}{1.62} \\\\ v_2 = 2.7 \ m/s[/tex]

Thus, the final velocity of the pin after the collision is  2.7 m/s.

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