Xta123 Xta123
  • 10-04-2024
  • Physics
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The resistance R to the motion of a car is partly constant and partly varies as the square of the speed V. When the car is moving at 20km/h, the resistance is 720 ohms and at 60km/h, the resistance is 2320 ohms. Find (i) the law connecting R and V. (ii) the resistance at 40km/h.

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