A solid sphere of mass m and radius a starts moving from point A above the resident hemisphere to radius 3a from a state of stillness and always descends on the surface of the hemisphere with its complete rotation (as shown). How many times the total kinetic energy of a solid sphere just before it separates from the surface of a stationary hemisphere is mga? (I em =ma?) 8 24 28 A) 17 B) 17 C) 17 32 DI 17 3a

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Chapter13: Gravitation
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Problem 50P: The perihelion of Halley’s comet is 0.586 AU and the aphelion is 17.8 AU. Given that its speed at...
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A solid sphere of mass m and radius a starts moving from point A above the resident hemisphere to
radius 3a from a state of stillness and always descends on the surface of the hemisphere with its
complete rotation (as shown). How many times the total kinetic energy of a solid sphere just before it
2
separates from the surface of a stationary hemisphere is mga? (Iem =ma?)
8
28
A)
17
24
B)
17
C):
17
32
D) 17
За
Transcribed Image Text:A solid sphere of mass m and radius a starts moving from point A above the resident hemisphere to radius 3a from a state of stillness and always descends on the surface of the hemisphere with its complete rotation (as shown). How many times the total kinetic energy of a solid sphere just before it 2 separates from the surface of a stationary hemisphere is mga? (Iem =ma?) 8 28 A) 17 24 B) 17 C): 17 32 D) 17 За
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