Physics, 01.07.2020 18:01 hncriciacheichi
A disk-shaped merry-go-round of radius 2.83 m and mass 185 kg rotates freely with an angular speed of 0.701 rev/s . A 63.4 kg person running tangential to the rim of the merry-go-round at 3.51 m/s jumps onto its rim and holds on. Before jumping on the merry-go-round, the person was moving in the same direction as the merry-go-round's rim. Part A What is the final angular speed of the merry-go-round
Answers: 1
.
- Moment of inertia of the merry-go-round with respect to its axis of rotation, measured in 
.
- Moment of inertia of the person with respect to the axis of rotation of the merry-go-round, measured in 
- Initial angular speed of the merry-go-round with respect to its axis of rotation, measured in radians per second.
- Initial angular speed of the merry-go-round with respect to the axis of rotation of the merry-go-round, measured in radians per second.
- Final angular speed of the merry-go-round-person system, measured in radians per second.
- The mass of the merry-go-round, measured in kilograms. 
- Radius of the merry-go-round, measured in meters.
- The mass of the person, measured in kilograms.
- Distance of the person with respect to the axis of rotation of the merry-go-round, measured in meters.
, 
, 
, the moments of inertia are, respectively:
and 
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A disk-shaped merry-go-round of radius 2.83 m and mass 185 kg rotates freely with an angular speed o...
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