Physics · Work, Energy and Power
एक लड़का 15 मीटर ऊंची चट्टान की चोटी से 0.2 किलोग्राम का पत्थर 20 मीटर/सेकंड की गति से नीचे की दिशा में फेंकता है। नीचे नदी में गिरते समय पत्थर की गतिज ऊर्जा क्या होगी? (g = 10 मीटर/सेकंड2 लीजिए)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 170 J✓
- 240 J
- 330 J
- 40 J
सही उत्तर देखें
70 J
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