What type of energy is stored in the spring of a watch?

Explanation:

Elastic potential energy is a kind of potential energy stored as a result of deformation of an elastic object, such as stretching or compressing of rubber bands ,springs and bungee cords . The more an object is stretched , more is its elastic potential energy . ln spring based watch , mainspring powers the watch.

a small object of mass 3.66 g and charge -17.6 µc is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground. what are the magnitude and direction of the electric field?

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