2-31. A 2000-kg car travels up a 
slope. If the constant
velocity of the car is normally distributed 
, determine the power developed by the engine if the car has
an efficiency of 
.
Therefore, 
. Ans.
2-31. A 2000-kg car travels up a slope. If the constant
velocity of the car is normally distributed , determine the power developed by the engine if the car has
an efficiency of .
Therefore, . Ans.