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Hoochie [10]
3 years ago
13

Determine the torque produced by a perpendicular force of 75 N at the end of a 0.2 m wrench.

Physics
2 answers:
nataly862011 [7]3 years ago
8 0

Answer:

Explanation:

the answer is C.)

trasher [3.6K]3 years ago
7 0

Answer:c

Explanation:

Because I took uty

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The color of a star is
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D determined by its temperature
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Which of the statements best describes the relationship between the surface of an object and the amount of friction it produces?
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3 years ago
Find the elongation produced in a copper wire of length 2m and radius 5mm, when suspended by a block
igomit [66]

Answer:

0.104 m

Explanation:

Stress, \sigma=\frac {F}{A}

Where F is force and A is area. Also, F=mg where m is mass and g is acceleration due to gravity

Area= \pi r^{2}

Strain=\frac {\triangle l}{l} where \triangle l is the elongation and l is the original length

E=\frac {stress}{strain}=\frac {\frac {F}{A}}{\frac {\triangle l}{l}}=\frac {Fl}{A\triangle l}

Making \triangle l the subject then

\triangle l=\frac {Fl}{AE}=\frac{mg l}{\pi r^{2} E}

By substituting the given values and taking g as 9.81 then

\triangle l=\frac {Fl}{AE}=\frac{500\times 9.81\times 2 m}{\pi \times 0.005^{2}\times 1.2\times 10^{9}}=0.104087333  m\approx 0.104 m

3 0
3 years ago
Sodium hydroxide (NaOH) was added to pure water (H2O). Which most likely were the pH values of the water before and after the so
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