Giancoli Ch. 23 – p. 658-9, Problems #1-4, 7-10 key

1) 5.0 m
2)
3) 5°

4) 0.72 m = 72 cm

7) 36.0 cm
8) 11.5 cm
9) 2.09 cm behind the surface, virtual, upright
10) 4.2 m