One possible means of achieving space flight is to place a, Ask an Expert

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One possible means of achieving space flight is to place a perfectly reflecting aluminized sheet into Earth 's orbit and to use the light from the Sun to push this solar sail. Suppose such a sail, of area5.60104m2and mass5800kg, is placed in orbit facing the Sun. Ignore all gravitational effects, and assume a solar intensity of 1340 W/m2. (Hint: The radiation pressure by a reflected wave is given by 2 (average power per area)/c.)

(a) What force is exerted on the sail?

F=N

(b) What is the sail's acceleration?

a=m/s2

t=days

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