Question

1 horsepower is equal to 746 watt and a car is 75 horse power tell how much use of joule energy in a second

Answer 1

1Killowatt=1000watt
1kwsec=1000watt ×1/3600= 10/36 Joule
746×75watt= 55950 watt
Energy produced in 1 sec = 55950×10/36=15541.67 Joule