Question
Download Solution PDFஒரு கார் மணிக்கு 8 கி.மீ வேகத்தில் சிறிது தூரம் பயணித்து மணிக்கு 12 கி.மீ வேகத்தில் திரும்புகிறது. கார் எடுத்துக்கொண்ட மொத்த நேரம் 15 மணி நேரம் என்றால், தூரம் (கி.மீ.) என்னவாக இருக்கும்?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFதூரம் d கி.மீ.
நாமறிந்தது,
தூரம் = வேகம் x நேரம்
\( \Rightarrow \;\frac{d}{8} + \frac{d}{{12}} = 15\)
\( \Rightarrow \;\frac{{3d + 2d}}{{24}} = 15\)
⇒ d = 72 கி.மீ.
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