PHYSICS · Multi-part · CBSE · Physics · Work, Energy and Power · Work, Energy and Power
Problem
A spring has a spring constant of 0.25Ncm−1.
(i) Express the spring constant in Nm−1.
(ii) The spring is stretched by 8cm. Calculate the energy stored in the spring.
(iii) By how much must this spring be stretched so that the energy stored in it becomes 0.80J? Show all steps clearly.