physics instructor assigns a student to go to the roof of the Science Building and determine the building height using a small tennis ball. The student decides to throw a ball with a speed of 20 m/s at an angle of 30° above the horizontal. The tennis ball hits the ground 3.0 s after it reaches maximum height. What is the height of the Science Building? (air resistance is negligible) a. ​49 m b. 54 m c. 26 m d. 40 m e. 24 m

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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 physics instructor assigns a student to go to the roof of the Science Building and determine the building height using a small tennis ball. The student decides to throw a ball with a speed of 20 m/s at an angle of 30° above the horizontal. The tennis ball hits the ground 3.0 s after it reaches maximum height. What is the height of the Science Building? (air resistance is negligible)
  a.

​49 m

  b.

54 m

  c.

26 m

  d.

40 m

  e.

24 m

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