एक बस 10 सेकंड में अपनी गति 36 किमी/घंटा से बढ़ाकर 72 किमी/घंटा कर देती है। इसका त्वरण क्या होगा?

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Bihar STET TGT (Science) Official Paper-I (Held On: 08 Sept, 2023 Shift 1)
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  1. 5 मीटर/सेकंड2
  2. 2 मीटर/सेकंड2
  3. 3.6 मीटर/सेकंड2
  4. 1 मीटर/सेकंड2

Answer (Detailed Solution Below)

Option 4 : 1 मीटर/सेकंड2
Free
Bihar STET Paper 1 Mathematics Full Test 1
150 Qs. 150 Marks 150 Mins

Detailed Solution

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गणना:

दिया गया है, v = 36 किमी/घंटा (36 × (1000/3600)) = 10 मीटर/सेकेंड

, u = 72 किमी/घंटा (72 × (1000/3600)) = 20 मीटर/सेकेंड, t = 10 सेकंड

यहाँ, त्वरण = वेग परिवर्तन की दर/समय

= 20 - 10 / 10

= 10/10 = 1 मीटर/सेकंड

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