Question
Download Solution PDFजमिनीवरील एका बिंदूपासून विमानापर्यंतचा उंचीचा कोन 60° चा आहे. 15 सेकंदांनंतर विमानाच्या उंचीचा कोन 30° होतो. जर विमान 1500√3 मीटर उंचीवर उडत असेल, तर त्या विमानाचा वेग किती असेल?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFAB = DE = 1500√3
Δ ABC मध्ये,
\(tan\;60^\circ = \frac{{AB}}{{BC}}\)
\(BC = \frac{{1500\sqrt 3 }}{{\sqrt 3 }} = 1500\)
Δ DEC मध्ये,
\(tan\;30^\circ = \frac{{DE}}{{CE}}\)
\(\frac{1}{{\sqrt 3 }} = \frac{{1500\sqrt 3 }}{{{\rm{CE}}}}\)
CE = 1500 × 3 = 4500
BE = CE – BC
BE = 4500 – 1500
BE = 3000
वेग = अंतर/वेळ \( = \frac{{3000}}{{15}} = 200\) मीटर प्रति सेकंद
Last updated on May 3, 2025
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