A waste treatment pond is 50 m long and 25 m wide, and has an average depth of 2 m. The density of the waste is 75.3lbm/ft^3 .Calculate the weight of the pond contents in lbf ,using single dimensional equation for your calculation.

Explanation:

To find the weight (W) of the pond contents first we need to use the following equation:

  (1)

Where m the mass and g is the gravity  

Also, we have that the mass is:

 (2)    

Where ρ is the density and V the volume

We cand calculate the volume as follows:

  (3)

Where L is the length, w is the wide and d is the depth  

By entering equation (2) and (3) into (1) we have:

Therefore, the weight of the pond is 6.65x10⁶ lbf.

I hope it helps you!

108

explanation:

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the answer is option a.