The specific heat of iron is 0.11 cal (g°C) . A cafeteria fork made of iron has a mass of 20 grams. How much heat energy is need
1 answer:
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The area of the largest circular fire pit is 452 square inches.
Explanation:
Given that at a campground, a rectangular fire pit is 3 feet by 2 feet
The radius is given by 1 feet.
<u>Area:</u>
The area of the largest circular fire is given by
Substituting the values in the formula, we get,
Thus, the area of the largest circular fire is 3.14 square feet.
<u>To convert feet to inches:</u>
The feet can be converted into inches by multiplying by 12.
Thus, we have,
Hence, we have,
Simplifying,we get,
Rounding off to the nearest square inch.
Thus, we have,
Thus, the area of the largest circular fire pit is 452 square inches.
For this case we can use the following trigonometric relationship to solve the problem:
Where,
C.O: opposite leg
h: hypotenuse
Substituting values we have:
Clearing x we have:
Making the corresponding calculations we have:
Answer:
The value of x is given by:
Where,
C.O: opposite leg
h: hypotenuse
Substituting values we have:
Clearing x we have:
Making the corresponding calculations we have:
Answer:
The value of x is given by: