Physics Questions

Which of the following is NOT an example of potential energy?

Which of the following is NOT based on principle of relationship between volume and pressure of air?

Consider a hypothetical planet whose mass and radius are both half that of Earth. If g is the acceleration due to gravity on the surface of Earth, the acceleration due to gravity on the planet will be

If the velocity of a body becomes two times its initial velocity, its kinetic energy becomes n times its initial kinetic energy. What is the value of n?

An object weighing 20 kg is raised through a height of 2 m. What will be the work done by the force of gravity in this process?

The diameter of the reflecting surface of a spherical mirror is called a/an

The ____ of a substance is defined as the mass per unit volume.

The energy released at the end of digestion is in the form of