You launch a projectile horizontally from a building 30.7 m above the ground at another building 49.1 m away from the first building. The projectile strikes the second building 6.4 m above the ground. What was the projectile s launch speed?   A 19.63 m/s   B 42.98 m/s   C 53.73 m/s   D 22.06 m/s

College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter3: Vectors And Two-Dimensional Motion
Section: Chapter Questions
Problem 33P: A projectile is launched with an initial speed of 60.0 m/s at an angle of 30.0 above the horizontal....
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QUESTION 10

  1. You launch a projectile horizontally from a building 30.7 m above the ground at another building 49.1 m away from the first building. The projectile strikes the second building 6.4 m above the ground. What was the projectile s launch speed?
      A
    19.63 m/s
      B
    42.98 m/s
      C
    53.73 m/s
      D
    22.06 m/s
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