Sometime around 2022, astronomers at the european southern observatory hope to begin using the e-elt(european extremely large telescope), which is planned to have a primary mirror 42 m in diameter. let us assume that the light it focuses has a wavelength of 600 nm. (1 light-year = 9.461×1015 m) note: jupiter's diameter dj=1.43×108 m 1) what is the most distant jupiter-sized planet the telescope could resolve, assuming it operates at the diffraction limit? (express your answer to two significant figures.)
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Physics, 22.06.2019 03:30
What makes thermal imaging cameras useful? they can detect differences in color. they can detect differences in wave speeds. they can detect differences in temperature. they can detect mechanical waves.
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Physics, 22.06.2019 12:20
The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.
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Physics, 22.06.2019 12:20
Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)
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Physics, 22.06.2019 18:30
Asmall 12.00g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3 n/c. if the ball is in equilibrium when the string makes a 30 ° angle with the vertical, what is the net charge on the ball?
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Sometime around 2022, astronomers at the european southern observatory hope to begin using the e-elt...
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