Question
Download Solution PDF0.5 kg द्रव्यमान की एक गेंद 40 m की ऊँचाई से गिराई जाती है। गेंद जमीन से टकराती है और 10 m की ऊँचाई तक उठती है। जमीन से टकराने के दौरान गेंद को दिया गया आवेग है (g = 9.8 m/s² लीजिए)
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसही विकल्प: (1) 21 NS है।
v₁ = √(2gh₁)
= √(2 × 9.8 × 40)
= √784 = 28 m/s
v₂ = √(2gh₂) = √(2 × 9.8 × 10)
= √196 = 14 m/s
आवेग = Δp = m(vf − vi) = m(v₂ − (−v₁))
= (1/2)(14 − (−28))
Last updated on Jun 16, 2025
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