The change in velocity is 4) 4.0 m/s
Explanation:
First of all, we can find the acceleration of the object, by applying Newton's second law:
[tex]F=ma[/tex]
where
F = 2 N is the net force on the object
m = 3 kg is the mass of the object
a is the acceleration
Solving for a,
[tex]a=\frac{F}{m}=\frac{2}{3}=0.67 m/s^2[/tex]
The motion of the object is a uniformly accelerated motion, so we can use the suvat equation:
[tex]v=u+at[/tex]
where
u is the initial velocity
v is the final velocity
[tex]a=0.67 m/s^2[/tex] is the acceleration
t = 6 s is the time elapsed
Therefore, the change in velocity is
[tex]v-u = at=(0.67)(6)=4.0 m/s[/tex]
Learn more about Newton's second law and acceleration:
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