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2. A 40.0 kg child plays on a swing that is made of a tire as a seat and one long rope that is 4.00 m long from a pivot. a) What is the magnitude of the torque from the child's weight when the rope is at a 20.0° angle from the vertical? b) If the speed at 20.0° is 8.00 m/s, how much centripetal acceleration does the child experience?
A 35.0-kg child swings in a swing supported by two ropes, each 3.40 m long. The tension in each rope at the lowest point of the swing is 430 N. a) Find the child's speed at the lowest point of the swing. (ignore the mass of the seat.) b) Find the magnitude of the force exerted by the seat on the child at the lowest point of the swing.
A 20.0 kg child plays on a swing having support ropes that are 2.30 m long. A friend pulls her back until the ropes are 39.0 degrees from the vertical and releases her from rest. What is the potential energy for the child just as she is released, compared with the potential energy at the bottom of the swing? How fast will she be moving at the bottom of the swing? How much work does the tension in the ropes...
on 41. A 25 kg child plays on a swing having support ropes that are 2.2 m long. A friend pull back until the ropes are 42 degrees from the vertical and releases her from rest. (a) What is the potential energy of the child just as she is released, compared with the potential energy at the bottom of the swing? (b) how fast will she be moving at the bottom of the swing? (c) how much work does the...
Problem 1 [10 pts] A 20.0 kg child plays on a swing having support ropes that are 2.0 m long. A friend pulls her back until the ropes are 45.0° from the vertical and releases her from rest. a) What is the potential energy for the child just as she is released, compared with the potential energy at the bottom of the swing? b) How fast will she be moving at the bottom of the swing? c) How much work...
QUESTION 1: A 36.0-kg child swings in a swing supported by two chains, each 2.90 m long. The tension in each chain at the lowest point is 424 N. (a) Find the child's speed at the lowest point. m/s (b) Find the force exerted by the seat on the child at the lowest point. (Ignore the mass of the seat.) N (upward)A 36.0-kg child swings in a swing supported by two chains, each 2.90 m long. The tension in each...
can i get help with these problems A 32.0 kg child is in a swing that is attached to a pair of ropes 1.75 m long. Find the gravitational potential energy of the child-Earth system relative to child's lowest position, when The ropes are horizontal (7 points) The ropes make a 20.0° angle with the vertical (8 points) The child is at the bottom of a circular arc [7 points)
A 35.5-kg child swings in a swing supported by two ropes, each 3.30 m long. Find the tension in each rope if the speed of the child at the lowest point of the swing is 6.00 m/s. (ignore the mass of the seat.)
A 37.0-kg child swings in a swing supported by two ropes, each 3.60 m long. Find the tension in each rope if the speed of the child at the lowest point of the swing is 5.20 m/s. (ignore the mass of the seat.)
A 22.0 kg child plays on a swing having support ropes that are 2.40 m long. A friend pulls her back until the ropes are 45.0 ∘ from the vertical and releases her from rest. A. What is the potential energy for the child just as she is released, compared with the potential energy at the bottom of the swing? B. How fast will she be moving at the bottom of the swing? C. How much work does the tension...