Ask Question
17 November, 04:15

A lightweight electric car is powered by ten 12-V batteries. At a speed of 100 km/h, the average frictional force is 1500 N. What must be the power of the electric motor if the car is to travel at a speed of 100 km/h?

+3
Answers (1)
  1. 17 November, 04:41
    0
    Answer:41.67kW

    Explanation: a) power = force * velocity

    Convert km/hr to m/s=1000m / (60*60s)

    =1000/3600

    P=F*vel

    Power = 1500*100 * 1000/3600

    =1500*100*5/18

    =41,666.67W

    =41.67kW
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “A lightweight electric car is powered by ten 12-V batteries. At a speed of 100 km/h, the average frictional force is 1500 N. What must be ...” in 📗 Engineering if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers