Question

If a spring stores 20 j of energy when it's compressed by 0.4 m what is the spring constant of the spring

Answer 1

Answer:

250 N/m

Explanation:

Spring's Potensial Energi

SE = ½ c ∆x²

c = spring's contants

20 = ½ . c . 0,4²

20 . 2 = 0,16c

c = 40/0,16 = 250 N/m