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Related Questions

  1. Certain quantity of water cools from 70⁰ C to 60⁰C in the first 5 minutes and to 54⁰C
  2. An automobile engine develops 100 kW when rotating at a speed of 1800 rev/min
  3. A bullet of mass 0.05 kg moving with a speed of 80 m/s enters a wooden
  4. The range of voltmeter is 10V and its internal resistance is 50Ω.
  5. Huygen’s wave theory allows us to know