take a momentary snapshot when cart is traveling at 12 m/s in 10 m/s wind. "cart is going in 2 m/s head wind and speed is not decreasing " btw...
two problems in the calculation. first minor problem, wheel or cart is limited reservoir of kinetic energy. as 600w is taken from the wheel and...
conservation of energy problem solved. the kinetic energy of wind is converted to kinetic energy of vehicle, some portion of the vehicle's...
