(a)
Interpretation:
Whether the fuel in the car or the gaseous products in its exhaust has higher potential energy is to be determined.
Concept introduction:
Energy is defined as the capacity to do work. It is associated with both physical and chemical changes.
The two types of energy are as follows:
1. Potential energy: It is the energy due to the position of the object relative to the other objects.
2. Kinetic energy: It is the energy that arises due to the motion of the objects.
(b)
Interpretation:
Whether wood in a fire or the ashes after it burns has higher potential energy is to be determined.
Concept introduction:
Energy is defined as the capacity to do work. It is associated with both physical and chemical changes.
The two types of energy are as follows:
1. Potential energy: It is the energy due to the position of the object relative to the other objects.
2. Kinetic energy: It is the energy that arises due to the motion of the objects.
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