What is the mechanical energy of the cart on the right at position A. The
2 answers:
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Figure 1 is the original figure, while figure 2 is modified, so that a triangle and a rectangle can be easily observed.
The area of triangle and rectangle represents the total number of cubic feet of storage multiply by the number of days of storage usage.
Hence
Total Area = Area of triangle + Area of rectangle
= 30 x 10,000 + ½ 30 x (30,000 – 10,000)
= 300,000 + 300,000
= 600,000
As 10 cubic feet of storage cost $5 for a day, so total amount company have to pay
<span>= (5 x 600,000) / 10 = $300,000</span>
