Circular Motion Problems

  • #1
rainy365days
3
0
1. ______ stands on the Earth's equator. Calculate his tangential speed. The Earth has a radius of 6.38 x 10^6 m. What is ______ centripetal acceleration?



2. 2∏r/T (Circumference/Time) and V2(squared)/r. (Velocity Squared/Radius)

I don't even know how to start this problem.
 

Answers and Replies

  • #2
LawrenceC
1,198
5
How fast does the earth rotate on its axis? That defines the speed which must be expressed in radians per unit time. Do you know what a radian is?
 

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