physics

A spring has an unstretched length of 10 cm . It exerts a restoring force F when stretched to a length of 12 cm .

For what total stretched length of the spring is its restoring force 3F?

At what compressed length is the restoring force 2F?

I keep doing this but I do not think Im using the right math to solve this

  1. 👍 1
  2. 👎 0
  3. 👁 2,338
  1. F = kx
    Doubling F means doubling x as k will not change.

    1. 👍 0
    2. 👎 0
  2. 1)16cm
    2)6cm

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    1. A 5 kg weight is hung from a vertical spring. The spring stretches by 5 cm. How much mass should be hung from the spring so it will stretch by 10 cm from its original length? A. 15 kg B. 10 kg C. 20 kg D. 25 kg 2. What is the

  2. Physics

    A spring of unknown force constant is attached to a rod so that it hangs vertically. With no mass attached, the spring has a length of 12.0 cm. When a student attaches a mass of 50 grams, the spring stretches to a length of

  3. physics

    An unstretched ideal spring hangs vertically from a fixed support. A 0.4 kg object is then attached to the lower end of the spring. The object is pulled down to a distance of 35cm below the unstretched position and released from

  4. physics

    When a 2.60-kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 2.30 cm. (a) What is the force constant of the spring? (b) If the 2.60-kg object is removed, how far will the spring

  1. physics

    A single mass (m1 = 3.1 kg) hangs from a spring in a motionless elevator. The spring constant is k = 338 N/m. 1. What is the distance the spring is stretched from its unstretched length? 2. Now, three masses (m1 = 3.1 kg, m2 = 9.3

  2. Physics

    A certain coiled wire with uneven windings has the property that to stretch it an amount s from its relaxed length requires a force that is given by , so its behavior is different from a normal spring. You suspend this device

  3. Physics

    A spring is 16.2 cm long when it is lying on a table. One end is then attached to a hook and the other end is pulled by a force that increases to 28.0 N , causing the spring to stretch to a length of 19.0 cm . Part A What is the

  4. physics

    The length of a spring when a mass of 20g is hung from its end is 14cm,while its total length is 16cm when a mass of 30g is hung from the same end.calculate the unstretched spring assuming Hooke's law is obeyed.

  1. Physics

    A 0.50 kg mass is attached to a spring with spring constant, k= 43.8N/m. Suppose the mass is pushed upward, so that it rises past the spring’s unstretched position, compressing the spring. Calculate the net force on the mass

  2. Physics

    A 2.1 kg mass is connected to a spring with spring constant k= 180 N/m and unstretched length 16 cm. The pair are mounted on a frictionless air table, with the free end of the spring attached to a frictionless pivot. The mass is

  3. physics

    A spiral spring has a lenght of 14cm when a load of 4N is hung on it.A force of 6N extends the spring by 4cm.calculate the unstretched lenght of the spring.

  4. physics

    A spring has k=88 N/m. create a graph and use the graph to determine the work needed to stretch the spring from x = 4.1 cm to x = 5.8 cm, where x = 0 refers to the spring's unstretched length.

You can view more similar questions or ask a new question.