Answer:
A
Explanation:
Trust me the math checks out I just did it
It IS NOT C
The change in velocity of the center of mass of the three-block system
is Fext/6mΔt. Option A is correct.
The change of displacement with respect to time is defined as the velocity.
velocity is a vector quantity. it is a time-based component. Velocity
at any angle is resolved to get its component of x and y-
direction.
The given data in the problem is;
The sum of all the masses is 6m.
[tex]\rm F_{ext}[/tex] is the force exerted to the left on the rightmost block
Δt is the time interval
is the change in the velocity
From Newton's second law, The change in the velocity is
[tex]\rm I = \triangle P \\\\ F \triangle t =m \triangle v \\\\ F_{ext} \triangle t =6m \triangle v \\\\ \triangle v = \frac{ F_{ext} }{6m} \triangle t[/tex]
The change in velocity of the center of mass of the three-block system
is Fext/6mΔt.
Hence option A is correct.
To learn more about the velocity refer to the link ;
https://brainly.com/question/862972
