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A steel hemispherical shell forms a dome over a silo the radius R is 3.0 cm a...

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Physics

Asteel hemispherical shell forms a dome over a silo the radius R is3.0 cm a hollow sphere with inner radius r1 is 20.0 cm outer radiusr2 is 40.0 cm and mass m is 4.0 kg is placed at the precise top ofthe dome and allowed to roll

Find the angle from the initial vertical position that thesphere looses contact with the dome?

Answer & Explanation Solved by verified expert
4.2 Ratings (839 Votes)
here If it can be assumed that there is no friction involved you can use the equivalence of kinetic and potential energy mv22 mgh Where m mass of skier v speed he is travellng g acceleration due to gravity 981 ms2 h VERTICAL distance travelled by skier measured from his point of rest at the very top of the sphere The skiers mass cancels out so we can write v22 gh Lets call A the angle measured between the vertical and a line drawn    See Answer
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