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. skater is Kg ice (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 exer ted by the seat on the child at the lowest point. (Ignore the mass of the seat.) 23. A certain light truck can go around a flat curve having a radius of 150 m with a maximum speed of 32.0 m/s. With what maximum speed can it go around a curve having a radius of 75.0 m?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter6: Applications Of Newton's Laws
Section: Chapter Questions
Problem 13CQ: Suppose a child is riding on a merry-go-round at a distance about halfway between its center and...
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question 22 please

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.
skater
is
Kg ice
(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 exer ted by the seat
on the child at the lowest point. (Ignore the mass of
the seat.)
23. A certain light truck can go around a flat curve having
a radius of 150 m with a maximum speed of 32.0 m/s.
With what maximum speed can it go around a curve
having a radius of 75.0 m?
Transcribed Image Text: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. skater is Kg ice (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 exer ted by the seat on the child at the lowest point. (Ignore the mass of the seat.) 23. A certain light truck can go around a flat curve having a radius of 150 m with a maximum speed of 32.0 m/s. With what maximum speed can it go around a curve having a radius of 75.0 m?
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