A 1.2-kilogram block is connected to a 150 Nm spring on a smooth floor. One end of the spring is connected to a wall. The block is pulled 5 cm to the right and then released. What is the kinetic energy of the block when it is 3 cm from its equilibrium position?br br br watch the related video SIMPLE HARMONIC MOTION:br br #oscillation #simpleharmonicmotionbr br By following this channel it is very useful for the development of this channel. The Dailymotion application is easy to install on any smartphone, and does not take up much memory space.