Physics, 01.10.2019 04:10 jackandryansis8572
Suppose that superman wants to stop earth so it does not rotate. he exerts a force on earth at earth's equator tangent to its surface for a time interval of 1 year. the mass of earth is 5.98�1024 kg, the radius is 6.37�106 m. assume that earth is a solid sphere with its mass distributed uniformly. part awhat magnitude force must he exert to stop earth's rotation?
Answers: 2
where It is earth's inertia, and αt is earth acceleration.
Replacing this value on the torque equation:
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Suppose that superman wants to stop earth so it does not rotate. he exerts a force on earth at earth...
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