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Early test flights for the space shuttle used a \"glider\" (mass of 980 kg including pilot)....

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Physics

Early test flights for the space shuttle used a \"glider\" (massof 980 kg including pilot). After a horizontal launch at 500 km/hat a height of 4000 m , the glider eventually landed at a speed of220 km/h .

a) What would its landing speed have been in the absence of airresistance?

b) What was the average force of air resistance exerted on it ifit came in at a constant glide angle of 14 ∘ to the Earth'ssurface?

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