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A block is moving along the x-axis and its position varies in time according to the expression x = (3.00 m/s2)t2, where x is in meters and t is in seconds. (a) Determine its position (in m ) at t = 3.90 s. m (b) Determine its position (in m) at t = (3.90 s)+Δt. (Use the following as necessary: Δt. Do not include units in your answer. ) xf = m (c) Evaluate the limit of ΔxΔtasΔt approaches zero to find the velocity (in m/s ) at t = 3.90 s. m/s

A block is moving along the x-axis and its position varies in time according to the expression x = (3.00 m/s2)t2, where x is in meters and t is in seconds. (a) Determine its position (in m ) at t = 3.90 s. m (b) Determine its position (in m) at t = (3.90 s)+Δt. (Use the following as necessary: Δt. Do not include units in your answer. ) xf = m (c) Evaluate the limit of ΔxΔtasΔt approaches zero to find the velocity (in m/s ) at t = 3.90 s. m/s

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A block is moving along the x -axis and its position varies in time according to the expression x = ( 3.00 m / s 2 ) t 2 , where x is in meters and t is in seconds. (a) Determine its position (in m ) at t = 3.90 s . ◻ m (b) Determine its position (in m ) at t = ( 3.90 s ) + Δ t . (Use the following as necessary: Δ t . Do not include units in your answer.)
x f = ◻ m
(c) Evaluate the limit of Δ x Δ t a s Δ t approaches zero to find the velocity (in m / s ) at t = 3.90 s . ◻ m / s

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