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A 75-kg person stands on a tiny rotating platform with arms outstretched. Part A Estimate the moment of inertia of the person using the following approximations: the body (including head and legs) is a 60-kg cylinder, 14 cm in radius and 1.8 m high; and each arm is a 7.5-kg thin rod, 62 cm long, attached to the cylinder. Express your answer using two significant figures. 1951 ΑΣΦ I = Submit Part B I= Submit ▾ Part C Using the same approximations, estimate the moment of inertia when the arms are at the person's sides. Express your answer using two significant figures. [ΕΙ ΑΣΦ Request Answer T = Request Answer Submit IVE ΑΣΦ www ? Request Answer If one rotation takes 1.5 s when the person's arms are outstretched, what is the time for each rotation with arms at the sides? Ignore the moment of inertia of the lightweight platform. Express your answer using two significant figures. wwww. ? kg-m² www. ? kg. m² S

A 75-kg person stands on a tiny rotating platform with arms outstretched. Part A Estimate the moment of inertia of the person using the following approximations: the body (including head and legs) is a 60-kg cylinder, 14 cm in radius and 1.8 m high; and each arm is a 7.5-kg thin rod, 62 cm long, attached to the cylinder. Express your answer using two significant figures. 1951 ΑΣΦ I = Submit Part B I= Submit ▾ Part C Using the same approximations, estimate the moment of inertia when the arms are at the person's sides. Express your answer using two significant figures. [ΕΙ ΑΣΦ Request Answer T = Request Answer Submit IVE ΑΣΦ www ? Request Answer If one rotation takes 1.5 s when the person's arms are outstretched, what is the time for each rotation with arms at the sides? Ignore the moment of inertia of the lightweight platform. Express your answer using two significant figures. wwww. ? kg-m² www. ? kg. m² S

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A 75-kg person stands on a tiny rotating platform with arms outstretched. Part A Estimate the moment of inertia of the person using the following approximations: the body (including head and legs) is a 60-kg cylinder, 14 cm in radius and 1.8 m high; and each arm is a 7.5-kg thin rod, 62 cm long, attached to the cylinder. Express your answer using two significant figures. I = Submit Part B I = Submit Part C 197| ΑΣΦ VE Using the same approximations, estimate the moment of inertia when the arms are at the person's sides. Express your answer using two significant figures. 195| ΑΣΦ T = Submit Part D 3 Request Answer AK= Request Answer If one rotation takes 1.5 s when the person's arms are outstretched, what is the time for each rotation with arms at the sides? Ignore the moment of inertia of the lightweight platform. Express your answer using two significant figures. 195) ΑΣΦ ? Request Answer wwww. ? B kg-m² ? kg.m² Determine the change in kinetic energy when the arms are lifted from the sides to the horizontal position. Express your answer using two significant figures. - ΑΣΦ ? S J
Transcribed Image Text:A 75-kg person stands on a tiny rotating platform with arms outstretched. Part A Estimate the moment of inertia of the person using the following approximations: the body (including head and legs) is a 60-kg cylinder, 14 cm in radius and 1.8 m high; and each arm is a 7.5-kg thin rod, 62 cm long, attached to the cylinder. Express your answer using two significant figures. I = Submit Part B I = Submit Part C 197| ΑΣΦ VE Using the same approximations, estimate the moment of inertia when the arms are at the person's sides. Express your answer using two significant figures. 195| ΑΣΦ T = Submit Part D 3 Request Answer AK= Request Answer If one rotation takes 1.5 s when the person's arms are outstretched, what is the time for each rotation with arms at the sides? Ignore the moment of inertia of the lightweight platform. Express your answer using two significant figures. 195) ΑΣΦ ? Request Answer wwww. ? B kg-m² ? kg.m² Determine the change in kinetic energy when the arms are lifted from the sides to the horizontal position. Express your answer using two significant figures. - ΑΣΦ ? S J
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