PHYSICS An automobile engine delivers 41.1 hp.How much time will it take for the engineto do 7.24 × 105J of work? One horsepower?

An automobile engine delivers 41.1 hp.

How much time will it take for the engine

to do 7.24 × 105

J of work? One horsepower

is equal to 746 watts.

Answer in units of s.

3 Answers

Relevance
  • NCS
    Lv 7
    1 month ago

    work = power * time

    7.24*10^5 J = 41.1*746W * t

    t = 23.6 s

    • Login to reply the answers
  • oubaas
    Lv 7
    1 month ago

    t = E/P = 7.24*10^5 / (41.1*746) = 23.61 sec

    • Login to reply the answers
  • Anonymous
    1 month ago

    41.1 Hp * 746 W/Hp * 1 J/(sec W) * time = 7.24 * 10^5 J

       

    Solve for the time.

    • Login to reply the answers
Still have questions? Get your answers by asking now.