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BartSMP [9]
3 years ago
9

What force acts in the opposite direction to an object moving through the air?

Physics
1 answer:
evablogger [386]3 years ago
5 0

<em>A</em><em>i</em><em>r</em><em> </em><em>r</em><em>e</em><em>s</em><em>i</em><em>t</em><em>a</em><em>n</em><em>c</em><em>e</em><em>s</em><em> </em><em>a</em><em>l</em><em>s</em><em>o</em><em> </em><em>k</em><em>n</em><em>o</em><em>w</em><em> </em><em>a</em><em>s</em><em> </em><em>d</em><em>r</em><em>a</em><em>g</em><em> </em><em>i</em><em>s</em><em> </em><em>a</em><em> </em><em>f</em><em>o</em><em>r</em><em>c</em><em>e</em><em> </em><em>t</em><em>h</em><em>a</em><em>t</em><em> </em><em>i</em><em>s</em><em> </em><em>c</em><em>a</em><em>u</em><em>s</em><em>e</em><em>d</em><em> </em><em>b</em><em>y</em><em> </em><em>a</em><em>i</em><em>r</em><em> </em><em>t</em><em>h</em><em>e</em><em> </em><em>f</em><em>o</em><em>r</em><em>c</em><em>e</em><em> </em><em>a</em><em>c</em><em>t</em><em>s</em><em> </em><em>i</em><em>n</em><em> </em><em>o</em><em>p</em><em>p</em><em>s</em><em>i</em><em>t</em><em>e</em><em> </em><em>d</em><em>i</em><em>r</em><em>e</em><em>c</em><em>t</em><em>i</em><em>o</em><em>n</em><em>s</em><em> </em><em>t</em><em>o</em><em> </em><em>a</em><em>n</em><em> </em><em>o</em><em>b</em><em>j</em><em>e</em><em>c</em><em>t</em><em> </em><em>m</em><em>o</em><em>v</em><em>i</em><em>n</em><em>g</em><em> </em><em>t</em><em>h</em><em>r</em><em>o</em><em>u</em><em>g</em><em>h</em><em> </em><em>t</em><em>h</em><em>e</em><em> </em><em>a</em><em>i</em><em>r</em><em> </em><em>.</em><em>.</em>

<em>H</em><em>O</em><em>P</em><em>E</em><em> </em><em>T</em><em>H</em><em>I</em><em>S</em><em> </em><em>H</em><em>E</em><em>L</em><em>P</em><em> </em><em>Y</em><em>O</em><em>U</em><em> </em><em>.</em><em>.</em>

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7.2g

Explanation:

From the expression of latent heat of steam, we have

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mathematically,

m_{s}c_{w} \alpha _{w} + m_{s}l=m_{w}c_{w} \alpha _{w} +m_{c}c_{c} \alpha c_{c}

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From the equation, we can make m_{s} the subject of formula

m_{s}=\frac{m_{w}c_{w} \alpha +m_{c}c_{c}\alpha}{c_{w}\alpha +l}

Hence

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