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: During elastic collisions [[Kinetic Energy Store|kinetic energy]] is conserved, so the total [[Kinetic Energy Store|kinetic energy]] before the collision is equal to the total [[Kinetic Energy Store|kinetic energy]] after the collision.
: During elastic collisions the [[object]]s bounce off one another.
<math>p_{before} = p_{after}</math>
Since:
<math>p = mv</math>
Then:
<math>m_1 v_1 + m_2 v_2</math>
Where:
<math>m_1</math> = The [[mass]] of [[object]] 1.
<math>v_1</math> = The [[velocity]] of [[object]] 1 after the explosion.
<math>m_2</math> = The [[mass]] of [[object]] 2.
<math>v_2</math> = The [[velocity]] of [[object]] 2 after the explosion.
{| class="wikitable"
| style="height:20px; width: 300px; text-align:left;" |'''1. State the known quantities'''
m<sub>1</sub> =
m<sub>2</sub> =
v<sub>1</sub> =
v<sub>2</sub> =
| style="height:20px; width: 300px; text-align:left;" |'''1. State the known quantities'''
|-