Anita is running to the right at 5 m/s, as shown in (Figure 1).
Balls 1 and 2 are thrown toward her by friends standing on the
ground. According to Anita, both balls are approaching her at
14 m/s.
1.According to her friends, with what speed was ball 1 thrown?
2.according to her friends, with what speed was ball 2 thrown!