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A 0.836 kg toy car is powered by one 9V battery (9.00 V) connected directly to...

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Physics

A 0.836 kg toy car is powered by one 9V battery (9.00 V)connected directly to a small DC motor. The car has an effectiveenergy conversion efficiency of 36.1 % , meaning that 36.1 % of theelectric energy applied to the motor is converted intotranslational kinetic energy. After 7.88 s , the car, which isinitially at rest, reaches a speed of 3.43 m / s . What is theaverage current supplied to the car's motor?

Answer & Explanation Solved by verified expert
4.4 Ratings (647 Votes)
The kinetic energy of the car after 788seconds isLet E be the total electrical energy the    See Answer
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