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The Earth rotates on its own axis once per day (24.0h). What is the tangential speed of the summit of Mt. Kilimanjaro (elevation 5895 m above sea level), which is located approximately on the equator, due to rotation of the Earth? The equatorial radius of Earth is 6378 km.

  • physics - ,

    The distance of the Kilimanjaro summit from the axis of the Earth is
    R = 6378 + 5.9 = ___ km

    Multiply that by the angular rotation velocity of the Earth in radians/sec and you will have the tangential velocity.

    Actually, the earth rotates 360 degrees (2 pi radians) in 23.93 hr = 86,148 s, not 24.0 hr. Your teacher may not realize this.

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