Which one of the following was not a major social or economic trend of the post-world war ii era?
a. a booming residential construction industry, especially in suburbia
b. rising prosperity for many americans
c. a high birth rate
d. a cultural consensus enthusiastically supported by all segments of society

D

Explanation:

After the second world was was over up to the early part of the 1970s, the United States experienced a great period of economic expansion, one of the greatest in the history of the world. This led to an increase in the Gross Domestic Product and productivity from the "middle class" citizens level. Also due to the abrupt expansion of locals to the West, high birth rate and population growth occurred in this period. However, there was no case of any cultural consensus during this period.

we can solve this via the kinematic equation:

where the vertical velocity is zero and so:

since the height of the building is 29.3 meters then:

the ball was in motion for approximately 2.45 seconds