English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories
0 ⤊

physics question?

an electric motor uses 670 kJ of electrical energy to generate 596 kJ of mechanical kinetic energy. What is the efficiency of the motor?

2007-03-22 13:54:36 · 1 answers · asked by richey 1 in Science & Mathematics ➔ Physics

1 answers

Efficiency= work output/work input

=596/670=about 89%

2007-03-22 13:58:05 · answer #1 · answered by MLBfreek35 5 · 0⤊ 0⤋

fedest.com, questions and answers