7. The President sits at his desk in the Oval Office. The White House is located at 39° latitude, as shown on the diagram. a) Calculate the distance r' from the earth's rotational axis to the White House. The radius of the earth is 6.38 *106 m. b) Find the President's velocity due to the earth's rótation. c) Find his centripetal acceleration. 39 0 Equator

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Chapter1: Units, Trigonometry. And Vectors
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Kinematics of circular motion problem help
10I ILJ VCIUCILY at Pomt D, ule DotLUH Of its swing.
b) Write an expression for its acceleration at point B.
B
7. The President sits at his desk in the Oval Office. The White
House is located at 39° latitude, as shown on the diagram.
a) Calculate the distance r' from the earth's rotational axis to
the White House. The radius of the earth is 6.38 *106 m.
b) Find the President's velocity due to the earth's rótation.
c) Find his centripetal acceleration.
Equator
Answers: 1) 0.085 m/s2, 4x 2) 99 m, 2.9 m/s2 3) 0.55 Hz, 0.073 g's 4) 17 m/s, 1.3 s, 0.75 Hz
5) black, black, 2:1
6) 2Lg,2g 7)4.96 * 106 m, 361 m/s, 0.026 m/s²
Transcribed Image Text:10I ILJ VCIUCILY at Pomt D, ule DotLUH Of its swing. b) Write an expression for its acceleration at point B. B 7. The President sits at his desk in the Oval Office. The White House is located at 39° latitude, as shown on the diagram. a) Calculate the distance r' from the earth's rotational axis to the White House. The radius of the earth is 6.38 *106 m. b) Find the President's velocity due to the earth's rótation. c) Find his centripetal acceleration. Equator Answers: 1) 0.085 m/s2, 4x 2) 99 m, 2.9 m/s2 3) 0.55 Hz, 0.073 g's 4) 17 m/s, 1.3 s, 0.75 Hz 5) black, black, 2:1 6) 2Lg,2g 7)4.96 * 106 m, 361 m/s, 0.026 m/s²
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