19. A vertically mounted spring (k = 650 N/m) is compressed by 0.15 m relative to its unstrained length. A mass (m = 0.25 kg) is placed at rest against the spring at point A (see figure), When the spring is released, the mass is launched in the air. How high from point (A) can the mass reach / text a. 5.97 m b. 9.95 m c. 0.34 m d. 4.97 m