table starts to rotate, what force causes the centripetal acceleration when the coin is stationary relative to the turntable? Under what condition does the coin begin to move relative to the turntable? (b) After what period of time will the coin start to slip on the turntable? 21. A 55.0-kg ice skater is moving at 4.00 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. She then moves in a circle of radius 0.800 m around the pole. (a) Determine the force exerted by the horizontal rope on her arms. (b) Compare this force with her weight. 22. M A 40.0-kg child swings in a swing supported by two chains, each 3.00 m long. The tension in each chain at the lowest point is 350 N. Find (a) the child's speed at the lowest point and (b) the force exerted by the seat (Janore the mass of

table starts to rotate, what force causes the centripetal acceleration when the coin is stationary relative to the turntable? Under what condition does the coin begin to move relative to the turntable? (b) After what period of time will the coin start to slip on the turntable? 21. A 55.0-kg ice skater is moving at 4.00 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. She then moves in a circle of radius 0.800 m around the pole. (a) Determine the force exerted by the horizontal rope on her arms. (b) Compare this force with her weight. 22. M A 40.0-kg child swings in a swing supported by two chains, each 3.00 m long. The tension in each chain at the lowest point is 350 N. Find (a) the child's speed at the lowest point and (b) the force exerted by the seat (Janore the mass of

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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question 21 please

table starts to rotate, what force causes the centripetal
acceleration when the coin is stationary relative to the
turntable? Under what condition does the coin begin
to move relative to the turntable? (b) After what period
of time will the coin start to slip on the turntable?
21. A 55.0-kg ice skater is moving at 4.00 m/s when she
grabs the loose end of a rope, the opposite end of
which is tied to a pole. She then moves in a circle of
radius 0.800 m around the pole. (a) Determine the
force exerted by the horizontal rope on her arms.
(b) Compare this force with her weight.
22. M A 40.0-kg child swings in a swing supported by two
chains, each 3.00 m long. The tension in each chain at
the lowest point is 350 N. Find (a) the child's speed at
the lowest point and (b) the force exerted by the seat
(Janore the mass of

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