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Physics, 24.01.2020 22:31, mbprez6029
Suppose you designed a spacecraft to work by photon pressure. the sail was a completely absorbing fabric of area 1.0 km2 and you directed a laser beam of wavelength 650 nm onto it at a rate of 1 mol of photons per second from a base on the moon. the spacecraft has a mass of 1.0 kg. given that, after a period of acceleration from standstill, speed = (force/mass) x time, how many minutes would it take for the craft to accelerate to a speed of 1.0 m/s (about 2.2 mph)?
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Suppose you designed a spacecraft to work by photon pressure. the sail was a completely absorbing fa...
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