suppose the position of a particle moving along the x-axis given by the equation X=(1m/s²)t²-(5m/s)t +0.5m

A.find the general formula for the displacement for the time interval t to t+∆t.
B.use the limiting process to obtain the instantaneous velocity for any time t
C.find it's velocity at t=4 second
D.find the average acceleration during the time interval t₁=3 second to t₂=4 second
E.find the instantaneous acceleration as a function of time
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