A spring has a force constant of 526.2 N/m. Find the potential energy stored in the spring when the spring is?

A spring has a force constant of 526.2 N/m.

Find the potential energy stored in the

spring when the spring is

a) stretched 4.11 cm from equilibrium.

Answer in units of J.

b) compressed 2.84 cm from equilibrium.

Answer in units of J.

c) unstretched.

Answer in units of J.

2 Answers

Relevance
  • 2 months ago
    Favorite Answer

    (a) (1/2)kx^2 = (263.1 N/m)*(0.0411 m)^2

    = around 0.4 J but use a calculator.

    (b) (1/2)kx^2 = (263.1 N/m)*(0.0284 m)^2

    = around 0.2 J but use a calculator.

    (c) Zero.(0 J)

    • D3adC3llz2 months agoReport

      thank you for clear explanation

    • Login to reply the answers
  • Todd
    Lv 7
    2 months ago

    PE = (1/2)kx^2. You know k and you know x. All you have to do is convert between m and cm. (1x10^2) cm = 1 m, square both sides, (1x10^4) cm^2 = 1 m^2. Direction doesn't matter.

    • D3adC3llz2 months agoReport

      how about b and c
      please put it in full answer and explanation

    • Login to reply the answers
Still have questions? Get your answers by asking now.