50 When a certain spring is stretched by an amount x it

Last updated: 6/7/2023

50 When a certain spring is stretched by an amount x it produces a restoring force of F x ax bx2 where a and b are constants How much work is done by an external force in stretching the spring by an amount D from its equilibrium length A aD bD B a 2bD C aD bD 3 D aD bD E 2aD 3bD