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A crate is moving along the x-axis and its position varies in time according to the...

A crate is moving along the x-axis and its position varies in time according to the expression

x = (6.00 m/s2)t2,

where x is in meters and t is in seconds.

Evaluate the limit of

Δx
Δt

as Δt approaches zero to find the velocity (in m/s) at

t = 4.00 s.

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