2860 times .12 equals $343.20
        
             
        
        
        
<span>The solution to the problem is as follows:
W=Fd=mad=425*1.8*66
=50490 J
Therefore, it takes </span><span>50490 J of work the crane will do to accelerate the beam upward at 1.8 m/s^2.
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Step-by-step explanation:
we have
5x+4=2x+9
5x-2x=9+4
3x=13
x=13/3