A brick falls freely from a high scaffold and hits the ground after 3.5 seconds. How high is the scaffold? What is the velocity of the brick just before hitting the ground?With solution
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Answer:
The height of the scaffold is 60.09 meters and the velocity of the brick is 34.335 m/s.
Explanation:
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a. h = gt²
h = * 9.81 m/s² * (3.5 s)²
h = 60.09 m
b. v = gt
v = 9.81 m/s² * 3.5 s
v = 34.335 m/s