With steps please.?

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1 Answer
Nov 13, 2017

It will take 1.251.25 seconds.

Explanation:

We know that F = maF=ma. Therefore, solving for acceleration we get:

8.00 = 2.00 * a8.00=2.00a

a = 4.00 ms^(-2)a=4.00ms2

Using a=(Deltav)/(Deltat), we get:

4.00=(7-2)/(Deltat)

4.00=5/(Deltat)

Deltat=5/4.00=1.25

Hopefully this helps!