A ball is tossed vertically from the top of a building that is 96 stories tall (approximately 864 ft) with an initial velocity of 30 ft/sec. The initial acceleration is given by a=−32 ft/sec2.     1. Write the velocity equation with t as the variable and v as velocity. 2. Write the displacement equation with t as the variable and s as the displacement. 3. Find the velocity at 2 seconds. ______ ft/s

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
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Problem 18PQ: Acceleration a has the dimensions of length per time squared, speed v has the dimensions of length...
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A ball is tossed vertically from the top of a building that is 96 stories tall (approximately 864 ft) with an initial velocity of 30 ft/sec. The initial acceleration is given by a=−32 ft/sec2.
 
 
1. Write the velocity equation with t as the variable and v as velocity.
2. Write the displacement equation with t as the variable and s as the displacement.
3. Find the velocity at 2 seconds.
______ ft/s
4. Find the height above the ground at 2 seconds.
______ft
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