One possible means of achieving space flight is to place a perfectly reflecting aluminized sheet into...
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One possible means of achieving space flight is to place a perfectly reflecting aluminized sheet into Earth's orbit and use the light from the Sun to push this solar sail. Suppose such a sail, of area 5.60 x 104 m and mass 5500 kg, is placed in orbit facing the Sun. Ignore all gravitational effects, and assume a solar intensity of 1380 W/m. (Hint: The momentum carried by a photon, the quantum of light energy, is equal to the energy of the photon divided by the speed of light (p=E/c). Furthermore, the radiation pressure exerted by light is related to the rate at which the momentum of the photons is transferred.) (a) What force is exerted on the sail? F = N (b) What is the sail's acceleration? a = m/s (c) How long does it take for this sail to reach the Moon, 3.84 x 108 m away? t = days One possible means of achieving space flight is to place a perfectly reflecting aluminized sheet into Earth's orbit and use the light from the Sun to push this solar sail. Suppose such a sail, of area 5.60 x 104 m and mass 5500 kg, is placed in orbit facing the Sun. Ignore all gravitational effects, and assume a solar intensity of 1380 W/m. (Hint: The momentum carried by a photon, the quantum of light energy, is equal to the energy of the photon divided by the speed of light (p=E/c). Furthermore, the radiation pressure exerted by light is related to the rate at which the momentum of the photons is transferred.) (a) What force is exerted on the sail? F = N (b) What is the sail's acceleration? a = m/s (c) How long does it take for this sail to reach the Moon, 3.84 x 108 m away? t = days
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a The force exerted on the sail can be calculated using the formula for force Force Change in moment... View the full answer
Related Book For
College Physics
ISBN: 978-0495113690
7th Edition
Authors: Raymond A. Serway, Jerry S. Faughn, Chris Vuille, Charles A. Bennett
Posted Date:
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