A 5.7 KN car has Cd = 0.38, Af = 2.5 m², and an available tractive effort of 1,612N. If the car is traveling at an elevation of 1500m on a paved surface at a speed of 89 kph, what is the maximum grade that this car could ascend and still maintain the speed? Answer in percentage in two decimal places.

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.