the cable of a hoist has a cross-section of 80 mm2. the hoist is used to lift a crate weighing 500 kg. what is the stress in the
cable? the free length of the cable is 3 m. how much will it extend if it is made of steel (modulus 200 gpa)?howmuchifitismadeofpolypropylene,pp(modulus1.2 gpa)?
1 answer:
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Answer:
$29364.95
Step-by-step explanation:
The formula to apply is;
where ;
A=amount at the end
P=principal amount
r=rate of interest as a decimal
n=number of compoundings a year
t=total number of years
Given in the question
A=$55000
t=8 years
n=2
r=0.08
P=?
Substitute the values in the equation;
Checking the answer
Answer:
Jack's final bank account amount will be $54,782.50, <em>earning</em> <u>$7,459.31</u> in <em>interest</em>.
General Formulas and Concepts:
<u>Algebra I</u>
Compounded Interest Rate Formula:
- <em>A</em> is final amount
- <em>P</em> is principle amount
- <em>r</em> is rate
- <em>n</em> is compounded rate
- <em>t</em> is time
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify given variables</em>.
<em>P</em> = $47,323.15
<em>r</em> = 0.05
<em>n</em> = 1
<em>t</em> = 3
<u>Step 2: Find Interest</u>
- [Compounded Interest Rate Formula] Substitute in variables:
- Evaluate:
∴ Jack will <em>gain</em> $7,459.31 and have a net balance of $54,782.50.
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Learn more about Algebra I: brainly.com/question/27710663
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Topic: Algebra I