contestada

A spring gun compressed by 10 cm from its natural length stores 20 Joules elastic energy. What is the spring constant (in Newton / meter)?

Respuesta :

Answer:

K=4,000N/M

Explanation:

Use U=1/2kx^2

So 20=1/2k.10^2, then 40=k.10^2, 40/.10^2= 4,000N/M