Which of the following does not change the resistance of a wire? 1 the medium around a wire.
2 the temperature of a wire
3 the length of a wire
4 the thickness ofa wire

Why is metal often used for cooking pan?

Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?