(a) A motorcycle starts from rest at s = 0 and travels along a straight road with the speed shown by the v-t graph. Determine the motorcycle's acceleration and position when t = 8 s and t= 12 s. v(m/s) vt graph v= 5 5 F(s) 10 15 Vz-1+ 15 Ve 1.25 !

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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.