Problem: The earth's radius is 6.37 x 106 m; it rotates once every 24 hours. a) What is the earth's angular speed? b) Viewed from a point above the north pole, is the angular velocity positive or negative?c) What is the speed of a point on the equator?d) What is the speed of a point on the earth's surface halfway between the equator and the pole? (Hint: what is the radius of the circle in which the point moves?)
FREE Expert Solution
a)
Angular speed:
ω = 2π/T
Problem Details
The earth's radius is 6.37 x 106 m; it rotates once every 24 hours.
a) What is the earth's angular speed?
b) Viewed from a point above the north pole, is the angular velocity positive or negative?
c) What is the speed of a point on the equator?
d) What is the speed of a point on the earth's surface halfway between the equator and the pole? (Hint: what is the radius of the circle in which the point moves?)
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What scientific concept do you need to know in order to solve this problem?
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