Question
Asked Oct 10, 2019
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6. A brick is released with no initial speed from the roof of a building and strikes the ground in 3.25 s, encountering
appreciable air drag.
(a) How tall, in meters, is the building?
(b) How fast is the brick moving just before it reaches the ground?
no
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6. A brick is released with no initial speed from the roof of a building and strikes the ground in 3.25 s, encountering appreciable air drag. (a) How tall, in meters, is the building? (b) How fast is the brick moving just before it reaches the ground? no

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Expert Answer

Step 1

(a). the distance travell...

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S ut 2 1 =(0)(3.25s)+9.80m/s)(3.25s) =-51.76m (negative sign indicates that the brick travelled down) hence height of the building is 51.76m

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