The intensity of the Sun's light in the vicinity of the Earth is about 1350 W/m2. Imagine

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The intensity of the Sun's light in the vicinity of the Earth is about 1350 W/m2. Imagine a spacecraft with a mirrored square sail of dimension 1.0 km. Estimate how much thrust (in newtons) this craft will experience due to collisions with the Sun's photons. [Hint:Assume the photons bounce off the sail with no change in the magnitude of their momentum.]
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