Physics, 27.02.2020 05:01 preservations
A 0.600 kg toy car is powered by one 9V battery (9.00 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 5.69 s , the car, which is initially at rest, reaches a speed of 3.43 m / s . What is the average current supplied to the car's motor
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