1.the sun appears to move across the sky, because the earth spins on its axis. to a person standing on the earth, the sun subtends an angle of θsun = 9.28 × 10−3 rad.2). how much time (in seconds) does it take for the sun to move a distance equal to its own diameter?

This is an astrophysics question and we will use the following formulas to get the time 't' it will take the sun to move a distance equals to it's own diameter 'd'.

Recal:

ω = 2π rads,

Then the earth's angular velocity will be,

ω = (2πrads / (24h * 3600s/h)) = 7.27x10⁻⁵ rad/s

and note that the Angular Acceleration

 ∅= ω*t

9.28x10⁻³rads = 7.27x10⁻⁵rads x t

t = 127 s

Hence, the time (in seconds) it take for the sun to move a distance equal to its own diameter = 127seconds

b) returns freshwater to the earth.

c) returns freshwater to the earth.c) occurs after condensation.

d) returns freshwater to the earth.c) occurs after condensation.d) roughly equal to the amount of evaporation.

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