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Anuta_ua [19.1K]
3 years ago
8

Equal masses are suspended from two separate wires made of the same material. The wires have identical lengths. The first wire h

as a larger cross-sectional area than the second wire. Which wire will stretch the LEAST?
a. Both wires will stretch the same amount.
b. The second wire will stretch the least.
c. The first wire will stretch the least.
d. The answer cannot be determined from the information given.
Physics
1 answer:
choli [55]3 years ago
6 0
D. I think is the correct answer
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Help me solve this please
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Since it's a projectile being launched the only force acting upon it is gravity, since the object is in free fall once it's launched

so to calculate time you'd utilize the general formula of
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to find the maximum height you'll have to do some trigonometry to solve it.
To make it easier draw a triangle
put the 60° mark as shown in the picture.
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\ \sin( 60) = ( \frac{o}{h})

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d = { (-vertical \frac{m}{s} )}^{2}  \div 2( - 9.81 \frac{m}{ {s}^{2} } )
The "vertical" is what you found in the previous step.
Vf^2 is equal to 0 so you can just drop that number out since it's 0
then once you have that then youre not done yet
since you're on a cliff of 49 m you'll have to add 49m to the previous answer that you found d to find the maximum height.

I hope this helps!

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