Recent content by sanisydap

I think i got it now..so question b . is asking about the engine power at 60km/h .. then i got a force of 1510.19N, convert 60 km/h to 16.67m/s and multiplied them, then the answer would be 25,174.87 J/s.. i think hehehe

so i will be finding what? I think its power.. i am confused to the equation i will be using.. i kinda do trial and error xD

1. The engine of an automobile requires 45hp to maintain a constant speed of 80 km/h a. What is the resistive force against the automobile? The answer given here is 1510.80N but don't know how they get it. b. If the resistive force is proportional to the velocity, what must the engine power be...