Question
I need answer with in 30 to 45 minutes For the average American to watch a...
i need answer with in 30 to 45 minutes
For the average American to watch a particular television program without constant interruption as the satellite carrying this program dips below the horizon, the satellite must execute uniform circular motion at a radius of RG. Which of the following is the correct expression for the acceleration of the satellite? Select one: O a. (24h) O b. aT (24h) RG (24h) 2TRG (24h) C. O d
Answers
Time period for on revolution is 24 hrs In uniform circular motion at tangential acceleration is zero so a_t = 0 a_r = V^2/R = R^2 w^2/R = w^2 R V = Rw w = 2 pi/T = 2 pi/24 hrs a = w^2 R = (2 pi/24)^2 R_G = 4 pi^2/24 hr^2 times R_4 1st option.
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