Ask Question
9 June, 20:01

1. A 1,000-kg car has 50,000 joules of kinetic energy. What is its speed?

+4
Answers (1)
  1. 9 June, 20:24
    0
    Use KE = 1/2mv^2

    So ...

    50,000 = (.5) (1,000) v^2

    50,000=500 x v^2

    Divide 500 on both sides

    100 = v^2

    Square root both sides to get rid of v^2

    Therefore v = 10 m/s
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “1. A 1,000-kg car has 50,000 joules of kinetic energy. What is its speed? ...” in 📗 Physics 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