Using the grid box, draw a net for a rectangular prism with a length of 8 units, width of 2 units and height of 3 units
1 answer:
Answer: The answer is in the attached figure.
Step-by-step explanation: We are given to draw a net for a rectangular prism of length 8 units, width 2 units and height 3 units.
What is a rectangular prism? It is a a solid three-dimensional object consisting of six faces, where each of the face is a rectangle. The same cross-section along a length of a rectangular prism makes it a prism. We also call it as a cuboid.
As given in the question, a rectangular prism ABCDEFGH is drawn in the attached figure, where length is 8 units, width is 2 units and height is 3 units.
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Answer:
A current of 5 amperes will produce the maximum power.
Step-by-step explanation:
Let be , where
is measured in watts and
in amperes. At first we must obtain the first and second derivatives of the function to determine the current associated with maximum power. That is:
First derivative
Second derivative
Now, we equalize the first derivative to zero and solve it afterwards: (First Derivative Test)
The only critical point is .
As next step we need to assure that critical point leads to an absolute maximum by evaluating the critical point found above in the second derivative: (Second Derivative Test)
Which indicates that critical point leads to an absolute maximum.
A current of 5 amperes will produce the maximum power.
