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The Hubble space telescope was launched into space in 1990 and now orbits the Earth at 5 mi/sec at a distance of 353 mi above the earth.From its location in space, the Hubble is free from the distortion of the Earth`s atmosphere, enabling it to return from distant stars and glaxies. The quality of the Hubble`s images results from a large parabolic mirror, 2.4m (7.9ft)in diameter, that collects light from space. Suppose that
- Assume that x and y are measured in meters. Write an equation of the parabolic cross section of the mirror for -1.2=x=1.2
- How thick is the mirror at the edge?That is, what is the y value for x= 1.2?
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