Question
In: Physics
On average, both arms and hands together account for 13%13% of a person's mass, while the...
On average, both arms and hands together account for 13%13% of a person's mass, while the head is 7.0%7.0% and the trunk and legs account for 80%.80%. We can model a spinning skater with her arms outstretched as a vertical cylinder (head, trunk, and legs) with two solid uniform rods (arms and hands) extended horizontally.
Suppose a 68.0 kg68.0 kg skater is 1.60 m1.60 m tall, has arms that are each 64.0 cm64.0 cm long (including the hands), and a trunk that can be modeled as being 32.0 cm32.0 cm in diameter. If the skater is initially spinning at 73.0 rpm73.0 rpm with her arms outstretched, what will her angular velocity ?2ω2 be (in rpmrpm) after she pulls in her arms and they are at her sides parallel to her trunk? Assume that friction between the skater and the ice is negligble.
Solutions
genius_generous answered 2 years agoRelated Solutions
On average, both arms and hands together account for 13% of a person's mass, while the...
On average, both arms and hands together account for 13% of a
person's mass, while the head is 7.0% and the trunk and legs
account for 80%. We can model a spinning skater with her arms
outstretched as a vertical cylinder (head, trunk, and legs) with
two solid uniform rods (arms and hands) extended horizontally.
Suppose a 67.0 kg skater is 1.80 m tall, has arms that are each
70.0 cm long (including the hands), and a trunk that can...
On average, both arms and hands together account for 13% of a person's mass, while the...
On average, both arms and hands together account for 13% of a
person's mass, while the head is 7.0% and the trunk and legs
account for 80%. We can model a spinning skater with her arms
outstretched as a vertical cylinder (head, trunk, and legs) with
two solid uniform rods (arms and hands) extended horizontally.
Suppose a 62.0 kg skater is 1.60 m tall, has arms that are each
64.0 cm long (including the hands), and a trunk that can...
On average, both arms and hands together account for 13% of a person's mass, while the...
On average, both arms and hands together account for 13% of a
person's mass, while the head is 7.0% and the trunk and legs
account for 80%. We can model a spinning skater with her arms
outstretched as a vertical cylinder (head, trunk, and legs) with
two solid uniform rods (arms and hands) extended horizontally.
Suppose a 75.0 kg skater is 1.60 m tall, has arms that are each
66.0 cm long (including the hands), and a trunk that can...
2. On average, both arms and hands together account for 13% of a person's mass, while...
2. On average, both arms and hands together account for 13% of a
person's mass, while the head is 7.0%and the trunk and legs account
for 80%. We can model a spinning skater with her arms outstretched
as a vertical cylinder (head, trunk, and legs) with two solid
uniform rods (arms and hands) extended horizontally.
Suppose a 68.0 kg skater is 1.50 m tall, has arms that are each
64.0 cm long (including the hands), and a trunk that can...
How can a company fairly allocate indirect costs while taking into account both the machine and...
How can a company fairly allocate indirect costs while taking
into account both the machine and labor hours?
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