The rate at which a nebular cloud rotates increases as the cloud collapses to form systems of stars and planets. Consider a small segment of a nebular cloud with a mass m of 1.9 × 102" kg, tangential velocity vinitial equal to 6.8 km s- located at an orbital distance rinitial = 2.5 x 10“ km. After the cloud collapses, the same small segment is located at an orbital distance rinal = 3.2 x 10° km. Calculate the change of the rotational velocity, A®, for the cloud segment, assuming perfectly circular orbits. Perform your work and report your solution using two significant figures. Δω- rad s-

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The rate at which a nebular cloud rotates increases as the cloud collapses to form systems of stars and planets. Consider a small
segment of a nebular cloud with a mass m of 1.9 x 1027 kg, tangential velocity vinitial equal to 6.8 km s¯1 located at an orbital
distance rinitial = 2.5 x 104 km. After the cloud collapses, the same small segment is located at an orbital distance
rinal = 3.2 x 10° km. Calculate the change of the rotational velocity, Ao, for the cloud segment, assuming perfectly circular
orbits. Perform your work and report your solution using two significant figures.
Δω-
rad s-
Transcribed Image Text:The rate at which a nebular cloud rotates increases as the cloud collapses to form systems of stars and planets. Consider a small segment of a nebular cloud with a mass m of 1.9 x 1027 kg, tangential velocity vinitial equal to 6.8 km s¯1 located at an orbital distance rinitial = 2.5 x 104 km. After the cloud collapses, the same small segment is located at an orbital distance rinal = 3.2 x 10° km. Calculate the change of the rotational velocity, Ao, for the cloud segment, assuming perfectly circular orbits. Perform your work and report your solution using two significant figures. Δω- rad s-
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