Page 64 - Schaum's Outline of Theory and Problems of Applied Physics
P. 64

CHAP. 4]                       MOTION IN A VERTICAL PLANE                              49



         4.10. 14 m/s

         4.11. (a)  0.56 s  (b)  112 m
              (c)  The time would be unchanged since it depends only on the height of the rifle, but the distance would be reduced
                  to 84 m.
         4.12. 14.4 ft/s

         4.13. 12 m/s

         4.14. The maximum range would be four times greater.
         4.15. (a)  200 m  (b)  44 m/s; 44 m/s

         4.16. (a)  9.044 km  (b)  39 s

         4.17. (a)  153 m  (b)  6.7 s

         4.18. (a)  45 ◦  (b)  4.08 km  (c)  29 s
         4.19. (a)  64 m  (b)  26 , 64 ◦
                               ◦
         4.20. 16 m/s
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