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# (Solved): As shown in the figure, a wooden ball with mass $$m_{2}$$ is initially at rest on a horizontal, ...

As shown in the figure, a wooden ball with mass $$m_{2}$$ is initially at rest on a horizontal, frictionless table. A second wooden ball with mass $$m_{1}$$ moving with a speed $$2.00 \mathrm{~m} / \mathrm{s}$$, collides with $$m_{2}$$. Assume $$m_{1}$$ moves initially along the $$+x$$-axis. After the collision, $$m_{1}$$ moves with speed $$1.00 \mathrm{~m} / \mathrm{s}$$ at an angle of $$\theta=48.00^{\circ}$$ to the positive $$x$$-axis. (Assume $$m_{1}=0.200 \mathrm{~kg}$$ and $$\mathrm{m}_{2}=0.300 \mathrm{~kg}$$.) (a) Determine the speed (in $$\mathrm{m} / \mathrm{s}$$ ) of the $$0.300 \mathrm{~kg}$$ ball after the collision. $\mathrm{m} / \mathrm{s}$ (b) Find the fraction of kinetic energy transferred away or transformed to other forms of energy in the collision. $\frac{|\Delta K|}{K_{i}}=$

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