Question: An alpha particle approaches a 197 Au nucleus with a speed of 1.50 10 7 m/s. As FIGURE CP37.47 shows, the alpha particle is

An alpha particle approaches a¹⁹⁷Au nucleus with a speed of 1.50 × 10⁷m/s. As FIGURE CP37.47 shows, the alpha particle is scattered at a 49? angle at the slower speed of 1.49 × 10⁷m/s. In what direction does the¹⁹⁷Au nucleus recoil, and with what speed?

49 191 Au nucleus

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