A ball of mass 0.198 kg with a velocity of 1.56 i^ m/s meets a ball of

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A ball of mass 0.198 kg with a velocity of 1.56 i^ m/s meets a ball of mass 0.294 kg with a velocity of −0.399 i^ m/s in a head-on, elastic collision. (a) Find their velocities after the collision. v→1f = m/s v→2f = m/s (b) Find the velocity of their center of mass before and after the collision. v→cm, before = m/s v→cm, after = m/s

A ball of mass 0.198 kg with a velocity of 1.56 i^ m/s meets a ball of mass 0.294 kg with a velocity of −0.399 i^ m/s in a head-on, elastic collision. (a) Find their velocities after the collision. v→1f = m/s v→2f = m/s (b) Find the velocity of their center of mass before and after the collision. v→cm, before = m/s v→cm, after = m/s

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A ball of mass 0.198 kg with a velocity of

1.56 \hat{i} m / s

meets a ball of mass 0.294 kg with a velocity of

- 0.399 \hat{i} m / s

in a head-on, elastic collision. (a) Find their velocities after the collision.

\begin{array}{l} {\vec{v}}_{1 f} = ◻ m / s \\ {\vec{v}}_{2 f} = ◻ m / s \end{array}

(b) Find the velocity of their center of mass before and after the collision.

\begin{array}{l} {\vec{v}}_{cm, before} = ◻ m / s \\ {\vec{v}}_{cm, after} = ◻ m / s \end{array}

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