Posted by **Samii** on Sunday, November 7, 2010 at 6:57pm.

A 45.7-kg boy on a swing moves in a circular arc of radius 3.80 m.At the lowest position, the child's speed reaches 2.78 m/s. Determine the magnitude of the tension in each of the two vertical support chains.

i used mv^2/r, but i keep getting the answer wrong. the answer is suppose to be 270 m/s

please help

- 12th grade PYSICS -
**Yuvraj s borkar**, Monday, November 15, 2010 at 10:38am
A motiom of an objects along the circumference of a circle.

- 12th grade PYSICS -
**drake**, Tuesday, November 23, 2010 at 5:25pm
A rock tied to a string is swung around in a circle with a radius of 10 ft. The centripetal acceleration is 16.9 ft/sec2. Calculate the speed of the rock.

## Answer This Question

## Related Questions

- physics - A 45.7-kg boy on a swing moves in a circular arc of radius 3.80 m.At ...
- physics - A 45.7-kg boy on a swing moves in a circular arc of radius 3.80 m.At ...
- physics - A 25.0-kg child on a 3.00-m-long swing is released from rest when the ...
- physics - A 25kg child on a 2m long swing is released from rest when the swing ...
- physics - A 120 N child is in a swing that is attached to ropes 2.20 m long. ...
- Physics - A 350 N child is in a swing that is attached to a 7.50 m long rope. ...
- Physics - A 40.0kg child is in a swing that is attached to ropes 2.00m long. ...
- Physics Energy and Work Done - A 390-N child is in a swing that is attached to a...
- Physics - Problem 3- A 40 kg child swings in a swing supported by two ropes, ...
- PHYSICS - A 27.0 kg child on a 3.00 m long swing is released from rest when the ...

More Related Questions