PLS HELP PLS Awhina is constructing an electromagnet to demonstrate at the upcoming science fair. She is using wire, a nail, and a battery.

How would this electromagnet work?

The dissociation energy of a molecule is the energy required tobreak apart the molecule into its separate atoms. the dissociationenergy for a particular molecule is 5.48 x 10-18 j.suppose that this energy is provided by a single photon. determinethe (a) wavelength and (b) frequency of the photon

The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.

Amira pulls a 3 pound wagon 4 feet. how much work has she done?