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Use the formula below to solve the given problem. In the formula, d
represents the distance an object falls, in feet, and I represents the time that
an object falls, in seconds. Do not include units in your answer.
A penny is dropped from the top of a building and takes 5 seconds to fall to
the ground. What is the height of the building?
Answer here​

Respuesta :

onething22

[tex]a = \frac{v - u}{t} [/tex]

^^acceleration formula

[tex]s = \frac{1}{2} (u + v) \: t[/tex]

^^displacement formula

since the acceleration due to gravity is 9.8m/s^2 or 10m/s^2

9.8 = v-0/5

v = 49m/s

s= 1/2 (49m/s +0 m/s) 5

s= 122.5m

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