Physics · Mechanics
20 मीटर की ऊंचाई पर रखी एक गेंद लंबवत नीचे की दिशा में स्वतंत्र रूप से गिरती है और जमीन से टकराती है। यदि प्रत्यावस्थान गुणांक (coefficient of restitution) 0.4 है, तो पहले रिबाउंड (टक्कर) के तुरंत बाद गेंद का वेग क्या होगा? [g = 10 m/s2 लें]
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14 m/s
- 28 m/s✓
- 312 m/s
- 416 m/s
सही उत्तर देखें
8 m/s
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