Sunday

March 1, 2015

March 1, 2015

Posted by **Jen** on Monday, July 12, 2010 at 10:24pm.

60cm, 70 cm, 80 cm, 100 cm, or 120 cm.

No idea how they came up with any of the five ??? My answer was different!

Please help!

- physics -
**drwls**, Monday, July 12, 2010 at 10:43pmThe amount of stretching is proportional to the weight applied. That's called Hooke's law.

Since 100N stretches the spring 10 cm, 200 N will stretch it 20 cm. Add that to the original unstretched length.

50 + 20 = ___ cm

**Answer this Question**

**Related Questions**

Physics - A spring has a force constant of 100N/m and an unstretched lenght of ....

physics - The drawing shows three identical springs hanging from the ceiling. ...

physics - 1)An elastic material has a length of 36cm when a load of 40N is hung ...

Physics - A 4 kg weight falls on a spring that is facing up. The weight ...

math - hooke's law determine that if a small weight is suspended from a spring,...

science - Suppose you place a 30kg weight 50cm from the pivot where should the ...

Math - A plumber charges $45 for a service call, plus $70/h for her time. a. ...

Physics - In the parallel spring system, the springs are positioned so that the ...

physics - A large, cylindrically-shaped weight is suspended from a long spring ...

Math - as the weight held by a spring increases, the length of the spring ...