DieselShip's Online Content Library

Q5. A coal truck with a total mass of 5 tonnes has four 300 kg wheels that are each of 0.6 m in diameter with a 0.4 m radius of gyration. It is initially travelling at 3 m/s as it begins to descend a 3^o incline that is 250 m in length. Tractive resistance to motion is 60 N/ tonne.  Calculate EACH of the following:

a) The energy lost descending the incline; (2)

b) The speed of the truck at the bottom of the incline. (14)