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Nikolay [14]
3 years ago
15

Smoking and your health help!!!!

Physics
1 answer:
Luden [163]3 years ago
4 0
Ill give you 7-12. 7.f 8.e 9. b 10.c 11.d 12. a
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By the time she managed/had managed to open the door, the postman already went/had already gone.
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3 years ago
The two masses in the Atwood's machine shown in the figure are initially at rest at the same height. After they are released, th
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According to the description given in the photo, the attached figure represents the problem graphically for the Atwood machine.

To solve this problem we must apply the concept related to the conservation of energy theorem.

PART A ) For energy conservation the initial kinetic and potential energy will be the same as the final kinetic and potential energy, so

E_i = E_f

0 = \frac{1}{2} (m_1+m_2)v_f^2-m_2gh+m_1gh

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PART B) Replacing the values given as,

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v_f = \sqrt{2gh(\frac{m_2-m_1}{m_1+m_2})}

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