Question
Download Solution PDFএকটি গাড়ি 8 কিমি/ঘণ্টা গতিবেগে কিছু দূরত্ব ভ্রমণ করে 12 কিমি/ঘণ্টা গতিবেগে ফিরে আসে। যদি গাড়িটির 15 ঘণ্টা সময় লাগে, তাহলে মোট দূরত্ব কত (কিমিতে) ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFধরা যাক দূরত্ব d কিমি।
আমরা জানি যে,
দূরত্ব = গতিবেগ x সময়
\( \Rightarrow \;\frac{d}{8} + \frac{d}{{12}} = 15\)
\( \Rightarrow \;\frac{{3d + 2d}}{{24}} = 15\)
⇒ d = 72 কিমি
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