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Related Questions

  1. In the experiment for determination of velocity of sound in air,
  2. The two ends of a metal rod are maintained at temperatures 100°C and 110°C.
  3. The area of cross-section of a steel wire (Y=2.0×10¹¹ N/m²) is 0.1 cm².
  4. A shell of mass 200 g is ejected from a gun of mass 4 kg by an explosion
  5. A body is moving with velocity 30 m/s towards east. After 10 seconds its velocity