(a)
Interpretation:
The energy of spinning blades of a fan are a potential or kinetic energy has to be given.
Concept Introduction:
Potential energy:
- Potential energy is the stored energy in an object or system because of its position.
- Potential energy is not relative to the environment of an object.
- Potential energy cannot be transferred.
- Example: water at the top of a waterfall.
Kinetic energy:
- The energy of a body or system with respect to the motion of the body or of the particles in the system.
- Kinetic energy of an object is relative to other moving and stationary objects in its immediate environment.
- Kinetic energy can be transferred from one moving object to another.
- Example: water flow.
(b)
Interpretation:
The energy of flying bird is a potential or kinetic energy has to be given.
Concept Introduction:
Refer to part (a).
(c)
Interpretation:
The energy stored in a sodium hydroxide in a sealed jar is a potential or kinetic energy has to be given.
Concept Introduction:
Refer to part (a).
(d)
Interpretation:
The energy stored in a person napping is a potential or kinetic energy has to be given.
Concept Introduction:
Refer to part (a).
(e)
Interpretation:
The energy of rippling ocean waves is a potential or kinetic energy has to be given.
Concept Introduction:
Refer to part (a).
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EBK FOUNDATIONS OF COLLEGE CHEMISTRY
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