Question
Download Solution PDFనిలువుగా విసిరిన బంతి 10 సెకను తర్వాత నేలకి తిరిగి వస్తుంది. అది విసిరిన వేగాన్ని కనుగొనండి? (ఒకవేళ g = 10 మీ/సె2)
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFవివరణ:
బంతి గరిష్ట ఎత్తుకు చేరుకోవడానికి పట్టే సమయం భూమికి తిరిగి రావడానికి పట్టే మొత్తం సమయంలో సగం అని మనకు తెలుసు. కాబట్టి, బంతి 5 సెకన్ల తర్వాత గరిష్ట ఎత్తుకు చేరుకుంది.
కాబట్టి, వేగం కోసం చలన సమీకరణం యొక్క సూత్రాన్ని ఉపయోగించడం
v = u + at
గరిష్ట ఎత్తులో ఉన్నందున, బంతి వేగం సున్నాగా ఉంటుంది.
కాబట్టి, v = 0
0 = u -10x5
u = 50 మీ/సె
సరైన సమాధానం ఎంపిక "2"
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