What is the effect of putting a ferromagnetic material inside the coil of a solenoid? It weakens the magnetic field.

It strengthens the magnetic field.

It turns off the magnetic field.

It changes the flow of the current.

Which statement is best supported by the information in the chart? wave y is moving the fastest. wave x is moving the fastest. all of the waves are moving at the same speed. all of the waves have the same value of wavelengths per second.

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.

How to tell if two objects are in thermal equilibrium 1.the objects have the same temperature 2.the objects are the same size 3.the objects are touching each other 4.the objects temperatures are changing