1. A stretched spring that obeys Hooke's law has a potential energy of 18 J. If the spring is stretched 2m, find the spring constant

Which fators influence ocean currents

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.