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lakkis [162]
3 years ago
10

I WILL MARK YOU IF YOU HELP

Physics
2 answers:
aliya0001 [1]3 years ago
8 0
Try to get the best out of the way and the second is a good
sertanlavr [38]3 years ago
6 0
F=ma
11.6=3.8*a
a=11.6/3.8
a=3.05m/s
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Recall that the blocks can only move along the x axis. the x components of their velocities at a certain moment are v1x and v2x.
Contact [7]
The center of mass is given with this formula:
x_c=\frac{\sum_{n=1}^{n=i}m_ix_i}{M}
Velocity is:
v=\frac{dv}{dt}
So, for the velocity of the center of mass we have:
\frac{dx_c}{dt}=\frac{\sum_{n=1}^{n=i}d(m_ix_i)}{Mdt}\\
v_c=\frac{\sum_{n=1}^{n=i}p_i}{M}\\
In our case it is:
v_{xc}=\frac{m_1v_{x1}+m_2v_{x2}}{m_1+m_2}
 
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Answer:

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I know this because its a clear obvious answer not only that it was one of my USA TESTPREP questions and it was right.

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