Concept explainers
(a)
Interpretation:
The acceleration of the sail is to be predicted.
Concept introduction:
Solar light sail is a spacecraft that is pushed forward by the sunlight. It is made up of reflecting surface. The light is made up of photons. When a beam of light falls on the surface of sail, the photons reflect back. The photons transfer their momentum to the surface of sail.
(b)
Interpretation:
The velocity of the sail after
Concept introduction:
Solar light sail is a spacecraft that is pushed forward by the sunlight. It is made up of reflecting surface. The light is made up of photons. When a beam of light falls on the surface of sail, the photons reflect back. The photons transfer their momentum to the surface of sail.
(c)
Interpretation:
The distance travelled by the sail in
Concept introduction:
Solar light sail is a spacecraft that is pushed forward by the sunlight. It is made up of reflecting surface. The light is made up of photons. When a beam of light falls on the surface of sail, the photons reflect back. The photons transfer their momentum to the surface of sail.
(d)
Interpretation:
The usefulness of solar light sails is to be stated on the basis of parts b and c.
Concept introduction:
Solar light sail is a spacecraft that is pushed forward by the sunlight. It is made up of reflecting surface. The light is made up of photons. When a beam of light falls on the surface of sail, the photons reflect back. The photons transfer their momentum to the surface of sail.
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