The spring constant, k, for a 22cm spring is 50n/m. a force is used to stretch the spring and when it is measured again it is 32cm long. work out the size of this force. the

Infrared rays have a shorter wavelength than question 11 options: x-rays. ultraviolet rays. radio waves. gamma rays.

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.