Physics, 26.03.2020 03:31 izzy123abc
A 0.246 kg toy car is powered by one D cell (1.50 V) connected directly to a small DC motor. The car has an effective energy conversion efficiency of 30.6 % , meaning that 30.6 % of the electric energy applied to the motor is converted into translational kinetic energy. After 7.88 s , the car, which is initially at rest, reaches a speed of 2.89 m / s . What is the average current supplied to the car's motor?
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A 0.246 kg toy car is powered by one D cell (1.50 V) connected directly to a small DC motor. The car...
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