(1 point) 5 Joules of work are done when stretching a spring from it's natural length to 14 cm beyond it's natural length. What is the force (in Newtons) needed to stretch the spring 14 cm?

An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.

Decreased sensitivity to an unchanging stimulus is known as

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions