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Question 1. Asked on :30 September 2020:03:59:14 AM

#### एक 50 g द्रव्यमान की गोली 4 kg द्रव्यमान की रायफल से 35 ms-1 के प्रारंभिक वेग से छोड़ी जाती है। रायफल के प्रारंभिक प्रतिक्षेपित वेग की गणना कीजिए।

-Added by Master Mind Science » Force And Laws Of Motion

Master Mind

रायफल का द्रव्यमान M = 4 kg

गोली का द्रव्यमान m = 50 g = 0.050 kg

गोली का प्रारंभिक वेग u = 0 ms-1

गोली की अंतिम वेग v = 35 ms-1

राइफल का प्रारंभिक वेग U = 0 ms-1

राइफल का प्रतिक्षेपित वेग V = ?

गोली छूटने के पहले का संवेग = MU + mu

= 4 × 0  + 0.050 × 0

= 0 kg ms-1

गोली छूटने के बाद का संवेग = MV + mv

= 4 × V + 0.050 × 35

= 4V + 1.750  kg ms-1

संवेग संरक्षण के नियम से

गोली छूटने के बाद का संवेग  = गोली छूटने के पहले का संवेग

4V + 1.750 = 0

4V = - 1.750

V = - 1.7504 = - 0.4375 ms-1

-Answered by Master Mind On 30 September 2020:03:59:53 AM(20728Average Rating Based on rating)

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