## Related questions with answers

Question

Use the formula for momentum to find the momentum of each ball before and after the collision. Assume the mass of each ball is $0.4 \mathrm{~kg}$.

Solution

VerifiedAnswered 2 years ago

Answered 2 years ago

Step 1

1 of 5The equation for the momentum is:

$p= m \cdot v$

where $m$ is the mass of the object and $v$ is its speed.

Let us start from the momentum for the blue ball before the collision.

$\begin{align*} p_b&=m \cdot v_b\\\\ p_b&=0.4 \cdot 2\\\\ p_b&=\boxed{0.8 \ \text{kg} \cdot \dfrac{\text{m}}{\text{s}}} \end{align*}$

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