Substances has a fixed amount of potential energy, which is referred to _______ .
Thermal Energy
Chemical Energy
Kinetic Energy
Electric Energy
Substances has a fixed amount of stored energy, which is in the form of potential energy and is referred to as its chemical energy.
A long thread suspended from a fixed point has a small mass swinging to and fro at its lower end. Which of the following statement is correct?
a. The potential energy of the mass is maximum in the middle of the swing
b. The kinetic energy is maximum in the middle of the swing.
c. The potential energy is always equal to the kinetic energy.
d. The potential energy and the kinetic energy is same in the middle of the swing.
A charge of +10 C is fixed at the origin. Choosing the reference point at A(1,2), the change in potential energy of the system when a charge of +1C is taken from A to infinity is?