(a) A car travels on a simple curve highway as shown in Figure QI(a) having a radius of r=2500 m such that at point A the car speed is 88 m/s. The driver is then applies brakes casuing a constant deceleration rate. The speed of the car has been reduced to 66 m/s after 8 sec. Determine: VA - 88 m/s 2500 m Figure Q1(a): Car travels on highway. (ii) The normal component of acceleration.

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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.