ch07-p052 - 52. According to the problem statement, the...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
23 32 3 2 88 39 2 9 TT mv mv PP T L Pm P m §· == = ¨¸ ©¹ which implies that 9 constant. 8 PT mL Differentiating the above equation gives 30 , dPT PT dT += or . 3 T dT dP P =− 52. According to the problem statement, the power of the car is 2 1 constant. 2 dW d dv v m v dt dt dt = = The condition implies / dt mvdv P = , which can be integrated to give 2 00 2 T Tv T mv mvdv dt T = ¡ = ³³ where T v is the speed of the car at
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.
Ask a homework question - tutors are online