Apainter accidentally drops a can of paint from a high scaffold. how far has the can fallen after 4.0 s?

a. -50 m
b. -112 m
c. -78 m
d. -27 m

We are asked to determine the height of falling after a can of paint is dropped after 4 seconds. We use the free-fall equation that is y  = vot - 1/2 gt2 where vo is zero and g is equal to 9.8 m/s2. Upon substituting t with 4 seconds, y is equal to -78.4 m. ANswer is C.

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