1 m/s के वेग से गतिमान 10 kg द्रव्यमान की एक वस्तु पर दो सेकंड के लिए 50 N का बल लागू किया जाता है। अंतिम वेग कितना होगा?

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UPPSC AE Mechanical 2022 Official Paper I (Held on 29 May 2022)
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  1. 22 m/sec
  2. 10 m/sec
  3. \(\sqrt {21}\) m/sec
  4. 11 m/sec

Answer (Detailed Solution Below)

Option 4 : 11 m/sec
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Detailed Solution

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बल = द्रव्यमान × त्वरण

∴ 50 = 10 × अ

⇒ a = 5 मीटर/सेकंड 2

2 सेकंड के बाद वेग,

वी = यू + पर

= 1 + 5 × 2

= 11 मीटर/सेकंड
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