2. A book with a mass of 2 Kg is resting on a shelf 1.5 m off the floor. How much gravitational potential energy does it have:?

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

The radius of a sphere is increasing at a rate of 9 cm/ sec. find the radius of the sphere when the volume and the radius of the sphere are increasing at the same numerical rate.

Frequency of electromagnetic waves that a radio station is assigned is called