Assignment Submission For this assignment, you submlt answers by question parts

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Assignment Submission For this assignment, you submlt answers by question parts The submissions remaining for each queation part only changes f you change the answer Rotational Motion and the Law of Gravity Assignment Scoring You are allowed five submissions belore the Sinal answer is graded Your last submission is used for your score A 55.4 kg ice skater is moving at 4.10 m's when she grabs the loose end of a rope, the opposite end of which is e tied to a pole. She then moves in a circle of radius o. 808 m around the pole. a (a) Determine the force exerted by the horizontal rope on her arms (b) Compare this force with her weight by finding the ratio of the force to her weight Need Help? EtTe rest on a circular track of radius 573 m. The car's speed increases at the constant rate of 0.330 m/s2, as the point where the magnitudes of the centripetal and tangential MacBook Air 888. 5 6 7 8

Explanation / Answer

a) Force exerted by the rope on her hands, F = m*a_rad

= m*v^2/r

= 55.4*4.1^2/0.808

= 1152 N

b) Force/Weight = 1152/(55.4*9.8)

= 2.12

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