Physics
29.09.2021 21:39
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The earth has a radius of 6.38 × 106 m and turns on its axis once every 23.9 h.
The earth has a radius of 6.38 × 106 m and turns on its axis once every 23.9 h.
(a) what is the tangential speed (in m/s) of a person living in ecuador, a country that lies on the equator?
(b) at what latitude (i.e., the angle theta in the drawing) is the tangential speed one-third that of a person living in ecuador?
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(a) what is the tangential speed (in m/s) of a person living in ecuador, a country that lies on the equator?
(b) at what latitude (i.e., the angle theta in the drawing) is the tangential speed one-third that of a person living in ecuador?
jaelynnm
4,4(90 marks)
a) V = 465.9 m/s
b) θ = 70.529°
Explanation:
Let's first calculate angular velocity of earth:
Velocity of a person on Ecuador will be:
For part b, since angular velocity is the same:
Solving for θ:
onegirl435
4,6(19 marks)
The last one is the correct answer
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