Ryan is experimenting with core materials for an electromagnet. he slides different core materials through a coil of current-carrying wire. sort the core materials based on whether they will or won’t increase the strength of ryan’s electromagnet. a)wood, b)steel. c)silver. d)nickel. e)iron. f)glass

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.

If anyonee has done the momentum lab practical in physics can you give me the answers i am s lostt rnn : (

If the wavelength is tripled, while the speed of the wave is held constant, what happens to the frequency?