Among iron and copper Electrons move freely in which of them?

What component of a longitudinal sound wave is analogous to a trough of a transverse wave?

What does an electric current create?

What is simple machine

What is the wave speed if a wave has a frequency of 12 hz and a wavelength of 3.0 m?

Classify which is specific defense or nonspecific defense: - skin - macrophages - bacteria - mucous - fever - B cells - T cells - antibodies

What is the relationship between gravity and mass? What is the relationship between gravity and distance?

A person performs 300 j of work over the course of 60 seconds how much power they did required

If you have a 90 V power source with a 30-Ω and 60-Ω resistor in series, what is the voltage drop over the 60-Ω resistor? 30 V 2 V 60 V 90 V

How is thermal energy transferred during convection?

What is the purpose of a free body diagram? A. to show the velocity of an object B. to show the acceleration of an object C. to show the forces acting on an object D. to show the direction of motion vectors of an object